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Infectious disease pop quiz: Clinical challenge #21 for the ObGyn

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What prophylactic antibiotic should be administered intrapartum to a pregnant woman who is colonized with group B streptococci but who has a mild allergy to penicillin?

Continue to the answer...

 

 

 

 

In this situation, the drug of choice is intravenous cefazolin, 2 g initially then 1 g every 8 hours until delivery. For patients with a severe allergy to penicillin, the drugs of choice are either clindamycin, 900 mg intravenously every 8 hours (if sensitivity of the organism is confirmed), or vancomycin, 20 mg/kg intravenously every 8 hours (maximum of 2 g per single dose).

References
  1. Duff P. Maternal and perinatal infections: bacterial. In: Landon MB, Galan HL, Jauniaux ERM, et al. Gabbe’s Obstetrics: Normal and Problem Pregnancies. 8th ed. Elsevier; 2021:1124-1146.
  2. Duff P. Maternal and fetal infections. In: Resnik R, Lockwood CJ, Moore TJ, et al. Creasy & Resnik’s Maternal-Fetal Medicine: Principles and Practice. 8th ed. Elsevier; 2019:862-919.
Author and Disclosure Information

Dr. Edwards is a Resident in the Department of Medicine, University of Florida College of Medicine, Gainesville.

Dr. Duff is Professor of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville.

The authors report no financial relationships relevant to this article.

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Dr. Edwards is a Resident in the Department of Medicine, University of Florida College of Medicine, Gainesville.

Dr. Duff is Professor of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville.

The authors report no financial relationships relevant to this article.

Author and Disclosure Information

Dr. Edwards is a Resident in the Department of Medicine, University of Florida College of Medicine, Gainesville.

Dr. Duff is Professor of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Florida College of Medicine, Gainesville.

The authors report no financial relationships relevant to this article.

What prophylactic antibiotic should be administered intrapartum to a pregnant woman who is colonized with group B streptococci but who has a mild allergy to penicillin?

Continue to the answer...

 

 

 

 

In this situation, the drug of choice is intravenous cefazolin, 2 g initially then 1 g every 8 hours until delivery. For patients with a severe allergy to penicillin, the drugs of choice are either clindamycin, 900 mg intravenously every 8 hours (if sensitivity of the organism is confirmed), or vancomycin, 20 mg/kg intravenously every 8 hours (maximum of 2 g per single dose).

What prophylactic antibiotic should be administered intrapartum to a pregnant woman who is colonized with group B streptococci but who has a mild allergy to penicillin?

Continue to the answer...

 

 

 

 

In this situation, the drug of choice is intravenous cefazolin, 2 g initially then 1 g every 8 hours until delivery. For patients with a severe allergy to penicillin, the drugs of choice are either clindamycin, 900 mg intravenously every 8 hours (if sensitivity of the organism is confirmed), or vancomycin, 20 mg/kg intravenously every 8 hours (maximum of 2 g per single dose).

References
  1. Duff P. Maternal and perinatal infections: bacterial. In: Landon MB, Galan HL, Jauniaux ERM, et al. Gabbe’s Obstetrics: Normal and Problem Pregnancies. 8th ed. Elsevier; 2021:1124-1146.
  2. Duff P. Maternal and fetal infections. In: Resnik R, Lockwood CJ, Moore TJ, et al. Creasy & Resnik’s Maternal-Fetal Medicine: Principles and Practice. 8th ed. Elsevier; 2019:862-919.
References
  1. Duff P. Maternal and perinatal infections: bacterial. In: Landon MB, Galan HL, Jauniaux ERM, et al. Gabbe’s Obstetrics: Normal and Problem Pregnancies. 8th ed. Elsevier; 2021:1124-1146.
  2. Duff P. Maternal and fetal infections. In: Resnik R, Lockwood CJ, Moore TJ, et al. Creasy & Resnik’s Maternal-Fetal Medicine: Principles and Practice. 8th ed. Elsevier; 2019:862-919.
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Skin reactions to first COVID-19 vaccine don’t justify forgoing second dose

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– Requests for a medical waiver to avoid a second COVID-19 vaccine dose or a booster after cutaneous reactions to the first dose are not justified on the basis of risk, according to an analysis of several large sets of data presented at the annual meeting of the American Academy of Dermatology.

According to the data, “there are no serious adverse consequences from these cutaneous reactions,” said Esther Freeman, MD, PhD, director of Global Health Dermatology, Massachusetts General Hospital, Boston.

Dr. Esther Freeman, director of global health dermatology at Massachusetts General Hospital, Boston
Dr. Esther Freeman

This is important because the risk of vaccine hesitancy goes up dramatically in patients who experience reactions to the first vaccine dose, according to follow-up of more than 50,000 employees vaccinated in the Mass General Brigham Healthcare System (MGBHS). According to Dr. Freeman, there was almost a fourfold increase in the rate of second-dose refusals for those with cutaneous reactions and a more than fourfold increase in those who developed angioedema.

Before the data were available, skin reactions were a source of concern among dermatologists and others involved in monitoring vaccine-related adverse events. Injection site reactions (ISRs) are associated with essentially every injectable vaccine, so these were expected, but a small proportion of patients developed large red plaques in the injection arm 7-8 days after the inoculation.

“These delayed reactions caused a lot of initial panic,” said Dr. Freeman, who counted herself among those alarmed about what the reactions might signify. “Was this cellulitis? Would the next dose cause anaphylaxis? We were concerned.”

This concern dissipated with the availability of more data. In a global registry that has so far captured more than 1,000 cutaneous reactions from 52 participating countries, it appears that about 2% of patients have a cutaneous reaction other than an ISR after the first dose. All resolve with minimal skin care or no treatment.

After the second dose, the proportion is lower. If there is a reaction, it typically occurs earlier and resolves more quickly.



“What we have learned is that fewer than half of patients who had a reaction to the first dose have a reaction to the second, and those who did have a reaction had a milder course,” said Dr. Freeman.

These data are “incredibly reassuring” on many levels, she explained. In addition, it allows clinicians to confidently explain to patients that there are no serious sequelae from the rashes, whether immediate or delayed, from the available COVID-19 vaccines.

“Every skin reaction I have seen is something we can treat through,” she added, noting that most reactions resolve with little or no supportive care. Following skin reactions, particularly the delayed lesions, it is not uncommon for patients to refuse a second shot. Some request a medical waiver to avoid further vaccine exposure. According to Dr. Freeman, this is unwarranted.

“I have granted exactly zero waivers,” she said. She explains to patients that these reactions have not been predictive of serious events, such as anaphylaxis. Although the trigger of the hypersensitivity reaction remains unknown, there is no evidence of serious consequences.

Delayed skin reactions are more commonly associated with the Moderna than the Pfizer vaccine. One notable difference between these vaccines is the greater content of mRNA in the Moderna formulation, but Freeman said that this is only one potential hypothesis for higher frequency of reactions to this version of the vaccine.

Patients with a history of allergic disease are more likely to develop a reaction but not significantly more likely to have a reaction that is more difficult to manage, according to Kimberly G. Blumenthal, MD, quality and safety officer for allergy, and codirector of the clinical epidemiology program in the division of rheumatology, allergy, and immunology at Mass General.

Massachusetts General Hospital
Dr. Kimberly Blumenthal

Anaphylaxis has been associated with COVD-19 vaccines just as it has with essentially every injectable vaccine, Dr. Blumenthal said during the same session. But the risk is very low, and it stays low even among those with a history of severe hypersensitivity reactions in the past.

Among the data collected from more than 52,000 vaccinated MGBHS employees, 0.9% had a history of severe allergic reaction to a prior vaccine. Of these, 11.6% had an allergic reaction to the COVID-19 vaccine. This was more than twice the 4.6% rate of allergic reactions among employees without a history of allergic reactions, but serious consequences were rare in both groups.

Of those with a reaction to the first dose, all but 2.4% took a subsequent dose. Again, serious reactions were exceedingly rare. These serious reactions did include anaphylaxis and hospitalization in 3% of patients, but there were no fatalities and all resolved.

The absence of serious sequelae from a reaction to a COVID-19 vaccine must be considered within the context of the benefit, which includes protection from death and hospitalization from the virus, according to Dr. Blumenthal. Citing the evidence that first-shot reactions are a source of vaccine hesitancy, she agreed that it is important to educate patients about relative risks.

“Even in our own cohort of MGBHS employees, we have people, including those who had been provaccine in the past, become hesitant,” commented Dr. Blumenthal, who said there are data from the Kaiser Permanente System showing similar vaccine reluctance following a first-shot reaction.

After more than 500 million doses of the Moderna and Pfizer vaccines had been administered worldwide, there was not a single reported death from anaphylaxis. Although Dr. Blumenthal said that an unconfirmed death of this type had been recently reported, she emphasized that this single death, if valid, is dwarfed by the lives saved with vaccination.

Asked about her strategy for counseling patients with vaccine hesitancy, Dr. Freeman said the body of safety data is large and compelling. There is overwhelming evidence of a favorable benefit-to-risk ratio overall and among those with a first-shot reaction.

“I can reassure them on the basis of the data,” Dr. Freeman said in an interview. “Less than half will have a reaction to the second shot and even if they do have a reaction, it is likely to be less severe.”

Although the main message is that vaccination is potentially lifesaving and far outweighs any risks, Freeman specifically gives this message to those hesitant to take a second shot after a first-shot reaction: “I can get you through it.”

Dr. Freeman encouraged health care professionals to report cases of COVID-19 vaccine–related dermatologic side effects to the American Academy of Dermatology / International League of Dermatologic Societies COVID-19 dermatology registry. Dermatologic manifestations of COVID-19 can also be reported to the registry.

Dr. Freeman disclosed receiving grants/research funding from the International League of Dermatologic Societies and from the National Institutes of Health. Dr. Blumenthal disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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– Requests for a medical waiver to avoid a second COVID-19 vaccine dose or a booster after cutaneous reactions to the first dose are not justified on the basis of risk, according to an analysis of several large sets of data presented at the annual meeting of the American Academy of Dermatology.

According to the data, “there are no serious adverse consequences from these cutaneous reactions,” said Esther Freeman, MD, PhD, director of Global Health Dermatology, Massachusetts General Hospital, Boston.

Dr. Esther Freeman, director of global health dermatology at Massachusetts General Hospital, Boston
Dr. Esther Freeman

This is important because the risk of vaccine hesitancy goes up dramatically in patients who experience reactions to the first vaccine dose, according to follow-up of more than 50,000 employees vaccinated in the Mass General Brigham Healthcare System (MGBHS). According to Dr. Freeman, there was almost a fourfold increase in the rate of second-dose refusals for those with cutaneous reactions and a more than fourfold increase in those who developed angioedema.

Before the data were available, skin reactions were a source of concern among dermatologists and others involved in monitoring vaccine-related adverse events. Injection site reactions (ISRs) are associated with essentially every injectable vaccine, so these were expected, but a small proportion of patients developed large red plaques in the injection arm 7-8 days after the inoculation.

“These delayed reactions caused a lot of initial panic,” said Dr. Freeman, who counted herself among those alarmed about what the reactions might signify. “Was this cellulitis? Would the next dose cause anaphylaxis? We were concerned.”

This concern dissipated with the availability of more data. In a global registry that has so far captured more than 1,000 cutaneous reactions from 52 participating countries, it appears that about 2% of patients have a cutaneous reaction other than an ISR after the first dose. All resolve with minimal skin care or no treatment.

After the second dose, the proportion is lower. If there is a reaction, it typically occurs earlier and resolves more quickly.



“What we have learned is that fewer than half of patients who had a reaction to the first dose have a reaction to the second, and those who did have a reaction had a milder course,” said Dr. Freeman.

These data are “incredibly reassuring” on many levels, she explained. In addition, it allows clinicians to confidently explain to patients that there are no serious sequelae from the rashes, whether immediate or delayed, from the available COVID-19 vaccines.

“Every skin reaction I have seen is something we can treat through,” she added, noting that most reactions resolve with little or no supportive care. Following skin reactions, particularly the delayed lesions, it is not uncommon for patients to refuse a second shot. Some request a medical waiver to avoid further vaccine exposure. According to Dr. Freeman, this is unwarranted.

“I have granted exactly zero waivers,” she said. She explains to patients that these reactions have not been predictive of serious events, such as anaphylaxis. Although the trigger of the hypersensitivity reaction remains unknown, there is no evidence of serious consequences.

Delayed skin reactions are more commonly associated with the Moderna than the Pfizer vaccine. One notable difference between these vaccines is the greater content of mRNA in the Moderna formulation, but Freeman said that this is only one potential hypothesis for higher frequency of reactions to this version of the vaccine.

Patients with a history of allergic disease are more likely to develop a reaction but not significantly more likely to have a reaction that is more difficult to manage, according to Kimberly G. Blumenthal, MD, quality and safety officer for allergy, and codirector of the clinical epidemiology program in the division of rheumatology, allergy, and immunology at Mass General.

Massachusetts General Hospital
Dr. Kimberly Blumenthal

Anaphylaxis has been associated with COVD-19 vaccines just as it has with essentially every injectable vaccine, Dr. Blumenthal said during the same session. But the risk is very low, and it stays low even among those with a history of severe hypersensitivity reactions in the past.

Among the data collected from more than 52,000 vaccinated MGBHS employees, 0.9% had a history of severe allergic reaction to a prior vaccine. Of these, 11.6% had an allergic reaction to the COVID-19 vaccine. This was more than twice the 4.6% rate of allergic reactions among employees without a history of allergic reactions, but serious consequences were rare in both groups.

Of those with a reaction to the first dose, all but 2.4% took a subsequent dose. Again, serious reactions were exceedingly rare. These serious reactions did include anaphylaxis and hospitalization in 3% of patients, but there were no fatalities and all resolved.

The absence of serious sequelae from a reaction to a COVID-19 vaccine must be considered within the context of the benefit, which includes protection from death and hospitalization from the virus, according to Dr. Blumenthal. Citing the evidence that first-shot reactions are a source of vaccine hesitancy, she agreed that it is important to educate patients about relative risks.

“Even in our own cohort of MGBHS employees, we have people, including those who had been provaccine in the past, become hesitant,” commented Dr. Blumenthal, who said there are data from the Kaiser Permanente System showing similar vaccine reluctance following a first-shot reaction.

After more than 500 million doses of the Moderna and Pfizer vaccines had been administered worldwide, there was not a single reported death from anaphylaxis. Although Dr. Blumenthal said that an unconfirmed death of this type had been recently reported, she emphasized that this single death, if valid, is dwarfed by the lives saved with vaccination.

Asked about her strategy for counseling patients with vaccine hesitancy, Dr. Freeman said the body of safety data is large and compelling. There is overwhelming evidence of a favorable benefit-to-risk ratio overall and among those with a first-shot reaction.

“I can reassure them on the basis of the data,” Dr. Freeman said in an interview. “Less than half will have a reaction to the second shot and even if they do have a reaction, it is likely to be less severe.”

Although the main message is that vaccination is potentially lifesaving and far outweighs any risks, Freeman specifically gives this message to those hesitant to take a second shot after a first-shot reaction: “I can get you through it.”

Dr. Freeman encouraged health care professionals to report cases of COVID-19 vaccine–related dermatologic side effects to the American Academy of Dermatology / International League of Dermatologic Societies COVID-19 dermatology registry. Dermatologic manifestations of COVID-19 can also be reported to the registry.

Dr. Freeman disclosed receiving grants/research funding from the International League of Dermatologic Societies and from the National Institutes of Health. Dr. Blumenthal disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

– Requests for a medical waiver to avoid a second COVID-19 vaccine dose or a booster after cutaneous reactions to the first dose are not justified on the basis of risk, according to an analysis of several large sets of data presented at the annual meeting of the American Academy of Dermatology.

According to the data, “there are no serious adverse consequences from these cutaneous reactions,” said Esther Freeman, MD, PhD, director of Global Health Dermatology, Massachusetts General Hospital, Boston.

Dr. Esther Freeman, director of global health dermatology at Massachusetts General Hospital, Boston
Dr. Esther Freeman

This is important because the risk of vaccine hesitancy goes up dramatically in patients who experience reactions to the first vaccine dose, according to follow-up of more than 50,000 employees vaccinated in the Mass General Brigham Healthcare System (MGBHS). According to Dr. Freeman, there was almost a fourfold increase in the rate of second-dose refusals for those with cutaneous reactions and a more than fourfold increase in those who developed angioedema.

Before the data were available, skin reactions were a source of concern among dermatologists and others involved in monitoring vaccine-related adverse events. Injection site reactions (ISRs) are associated with essentially every injectable vaccine, so these were expected, but a small proportion of patients developed large red plaques in the injection arm 7-8 days after the inoculation.

“These delayed reactions caused a lot of initial panic,” said Dr. Freeman, who counted herself among those alarmed about what the reactions might signify. “Was this cellulitis? Would the next dose cause anaphylaxis? We were concerned.”

This concern dissipated with the availability of more data. In a global registry that has so far captured more than 1,000 cutaneous reactions from 52 participating countries, it appears that about 2% of patients have a cutaneous reaction other than an ISR after the first dose. All resolve with minimal skin care or no treatment.

After the second dose, the proportion is lower. If there is a reaction, it typically occurs earlier and resolves more quickly.



“What we have learned is that fewer than half of patients who had a reaction to the first dose have a reaction to the second, and those who did have a reaction had a milder course,” said Dr. Freeman.

These data are “incredibly reassuring” on many levels, she explained. In addition, it allows clinicians to confidently explain to patients that there are no serious sequelae from the rashes, whether immediate or delayed, from the available COVID-19 vaccines.

“Every skin reaction I have seen is something we can treat through,” she added, noting that most reactions resolve with little or no supportive care. Following skin reactions, particularly the delayed lesions, it is not uncommon for patients to refuse a second shot. Some request a medical waiver to avoid further vaccine exposure. According to Dr. Freeman, this is unwarranted.

“I have granted exactly zero waivers,” she said. She explains to patients that these reactions have not been predictive of serious events, such as anaphylaxis. Although the trigger of the hypersensitivity reaction remains unknown, there is no evidence of serious consequences.

Delayed skin reactions are more commonly associated with the Moderna than the Pfizer vaccine. One notable difference between these vaccines is the greater content of mRNA in the Moderna formulation, but Freeman said that this is only one potential hypothesis for higher frequency of reactions to this version of the vaccine.

Patients with a history of allergic disease are more likely to develop a reaction but not significantly more likely to have a reaction that is more difficult to manage, according to Kimberly G. Blumenthal, MD, quality and safety officer for allergy, and codirector of the clinical epidemiology program in the division of rheumatology, allergy, and immunology at Mass General.

Massachusetts General Hospital
Dr. Kimberly Blumenthal

Anaphylaxis has been associated with COVD-19 vaccines just as it has with essentially every injectable vaccine, Dr. Blumenthal said during the same session. But the risk is very low, and it stays low even among those with a history of severe hypersensitivity reactions in the past.

Among the data collected from more than 52,000 vaccinated MGBHS employees, 0.9% had a history of severe allergic reaction to a prior vaccine. Of these, 11.6% had an allergic reaction to the COVID-19 vaccine. This was more than twice the 4.6% rate of allergic reactions among employees without a history of allergic reactions, but serious consequences were rare in both groups.

Of those with a reaction to the first dose, all but 2.4% took a subsequent dose. Again, serious reactions were exceedingly rare. These serious reactions did include anaphylaxis and hospitalization in 3% of patients, but there were no fatalities and all resolved.

The absence of serious sequelae from a reaction to a COVID-19 vaccine must be considered within the context of the benefit, which includes protection from death and hospitalization from the virus, according to Dr. Blumenthal. Citing the evidence that first-shot reactions are a source of vaccine hesitancy, she agreed that it is important to educate patients about relative risks.

“Even in our own cohort of MGBHS employees, we have people, including those who had been provaccine in the past, become hesitant,” commented Dr. Blumenthal, who said there are data from the Kaiser Permanente System showing similar vaccine reluctance following a first-shot reaction.

After more than 500 million doses of the Moderna and Pfizer vaccines had been administered worldwide, there was not a single reported death from anaphylaxis. Although Dr. Blumenthal said that an unconfirmed death of this type had been recently reported, she emphasized that this single death, if valid, is dwarfed by the lives saved with vaccination.

Asked about her strategy for counseling patients with vaccine hesitancy, Dr. Freeman said the body of safety data is large and compelling. There is overwhelming evidence of a favorable benefit-to-risk ratio overall and among those with a first-shot reaction.

“I can reassure them on the basis of the data,” Dr. Freeman said in an interview. “Less than half will have a reaction to the second shot and even if they do have a reaction, it is likely to be less severe.”

Although the main message is that vaccination is potentially lifesaving and far outweighs any risks, Freeman specifically gives this message to those hesitant to take a second shot after a first-shot reaction: “I can get you through it.”

Dr. Freeman encouraged health care professionals to report cases of COVID-19 vaccine–related dermatologic side effects to the American Academy of Dermatology / International League of Dermatologic Societies COVID-19 dermatology registry. Dermatologic manifestations of COVID-19 can also be reported to the registry.

Dr. Freeman disclosed receiving grants/research funding from the International League of Dermatologic Societies and from the National Institutes of Health. Dr. Blumenthal disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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Cannabis exposure in pregnancy linked with childhood obesity

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Tue, 05/03/2022 - 15:01

There is a link between cannabis exposure during pregnancy and higher fasting glucose levels and adiposity in the offspring in early childhood, a new study suggests.

Research looking at the effect of prenatal exposure to cannabis on offspring is growing. It is known to affect childhood cognition and behavior; however, there is little work to date on how it affects metabolic outcomes, said lead author Brianna F. Moore, PhD.

“Officially, the American Academy of Obstetricians and Gynecologists recommends that women do not use cannabis during pregnancy or while breastfeeding to limit the effects on offspring. There’s really a lot we don’t know, but researchers across the country are starting to look into this more, and there are signs that it isn’t great for the offspring,” Dr. Moore, assistant professor at the Colorado School of Public Health in Aurora, said in an interview.

And she noted that while some women turn to cannabis to manage the challenging symptoms of pregnancy, “Clinicians should encourage pregnant women to refrain from using cannabis; it is best for these pregnant women to talk to their physicians about alternative ways of managing these symptoms.”

The findings were published online March 31 in the Journal of Clinical Endocrinology & Metabolism.
 

Study of mother and 5-year-old child pairs

The researchers assessed 103 sets of mothers and children from the Healthy Start study. At 27 weeks of gestation, the investigators assessed 12 metabolites of cannabis/cannabinoids in urine samples. Results from these samples were used to categorize fetal exposure to cannabis as either not exposed or exposed. They found that about 15% of the mothers had traceable amounts of cannabinoids, suggesting fetal cannabis exposure.

At follow-up, the study team assessed fat-free mass and fat mass using air displacement plethysmography among the offspring around age 5. They used generalized linear models to approximate the relationship between fetal exposure to cannabis with metabolic measures such as insulin, glucose, and homeostatic model assessment of insulin resistance (HOMA-IR), and adiposity measures such as body mass index, fat-free mass, fat mass, adiposity, and BMI z-scores.

The findings showed that, compared with nonexposed offspring, exposed offspring had greater:

  • Fasting glucose (5.6 mg/dL; 95% confidence interval [CI], 0.8-10.3).
  • Fat-free mass (1.2 kg; 95% CI, 0.4-2.0).
  • Fat mass (1.0 kg; 95% CI, 0.3-1.7).
  • Adiposity (2.6%; 95% CI, 0.1-5.2).

“This finding may suggest that fetal exposure to cannabis contributes to higher fasting glucose levels via a direct effect on the pancreatic β-cells. However, we cannot draw conclusions about β-cell response to glucose because we did not perform oral glucose tolerance tests,” the study authors wrote.

Notably, however, there was no relationship between BMI z-scores, BMI, or HOMA-IR and fasting insulin, the study team found.

Study limitations include the small sample size and lack of self-report data on cannabis use to differentiate between direct use and exposure to cannabis, Dr. Moore acknowledged.

Given the small sample size, the researchers were unable to look at dose-response, which future studies will focus on, Dr. Moore noted. Future efforts will also focus on comparing the effects of tetrahydrocannabinol (THC) and cannabidiol (CBD), Dr. Moore added.

“This is a relatively new field, so there’s still work to be done. This is just one study, and we need to study this more in other cohorts to confirm our findings,” she concluded.

Dr. Moore has reported no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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There is a link between cannabis exposure during pregnancy and higher fasting glucose levels and adiposity in the offspring in early childhood, a new study suggests.

Research looking at the effect of prenatal exposure to cannabis on offspring is growing. It is known to affect childhood cognition and behavior; however, there is little work to date on how it affects metabolic outcomes, said lead author Brianna F. Moore, PhD.

“Officially, the American Academy of Obstetricians and Gynecologists recommends that women do not use cannabis during pregnancy or while breastfeeding to limit the effects on offspring. There’s really a lot we don’t know, but researchers across the country are starting to look into this more, and there are signs that it isn’t great for the offspring,” Dr. Moore, assistant professor at the Colorado School of Public Health in Aurora, said in an interview.

And she noted that while some women turn to cannabis to manage the challenging symptoms of pregnancy, “Clinicians should encourage pregnant women to refrain from using cannabis; it is best for these pregnant women to talk to their physicians about alternative ways of managing these symptoms.”

The findings were published online March 31 in the Journal of Clinical Endocrinology & Metabolism.
 

Study of mother and 5-year-old child pairs

The researchers assessed 103 sets of mothers and children from the Healthy Start study. At 27 weeks of gestation, the investigators assessed 12 metabolites of cannabis/cannabinoids in urine samples. Results from these samples were used to categorize fetal exposure to cannabis as either not exposed or exposed. They found that about 15% of the mothers had traceable amounts of cannabinoids, suggesting fetal cannabis exposure.

At follow-up, the study team assessed fat-free mass and fat mass using air displacement plethysmography among the offspring around age 5. They used generalized linear models to approximate the relationship between fetal exposure to cannabis with metabolic measures such as insulin, glucose, and homeostatic model assessment of insulin resistance (HOMA-IR), and adiposity measures such as body mass index, fat-free mass, fat mass, adiposity, and BMI z-scores.

The findings showed that, compared with nonexposed offspring, exposed offspring had greater:

  • Fasting glucose (5.6 mg/dL; 95% confidence interval [CI], 0.8-10.3).
  • Fat-free mass (1.2 kg; 95% CI, 0.4-2.0).
  • Fat mass (1.0 kg; 95% CI, 0.3-1.7).
  • Adiposity (2.6%; 95% CI, 0.1-5.2).

“This finding may suggest that fetal exposure to cannabis contributes to higher fasting glucose levels via a direct effect on the pancreatic β-cells. However, we cannot draw conclusions about β-cell response to glucose because we did not perform oral glucose tolerance tests,” the study authors wrote.

Notably, however, there was no relationship between BMI z-scores, BMI, or HOMA-IR and fasting insulin, the study team found.

Study limitations include the small sample size and lack of self-report data on cannabis use to differentiate between direct use and exposure to cannabis, Dr. Moore acknowledged.

Given the small sample size, the researchers were unable to look at dose-response, which future studies will focus on, Dr. Moore noted. Future efforts will also focus on comparing the effects of tetrahydrocannabinol (THC) and cannabidiol (CBD), Dr. Moore added.

“This is a relatively new field, so there’s still work to be done. This is just one study, and we need to study this more in other cohorts to confirm our findings,” she concluded.

Dr. Moore has reported no relevant financial relationships.

A version of this article first appeared on Medscape.com.

There is a link between cannabis exposure during pregnancy and higher fasting glucose levels and adiposity in the offspring in early childhood, a new study suggests.

Research looking at the effect of prenatal exposure to cannabis on offspring is growing. It is known to affect childhood cognition and behavior; however, there is little work to date on how it affects metabolic outcomes, said lead author Brianna F. Moore, PhD.

“Officially, the American Academy of Obstetricians and Gynecologists recommends that women do not use cannabis during pregnancy or while breastfeeding to limit the effects on offspring. There’s really a lot we don’t know, but researchers across the country are starting to look into this more, and there are signs that it isn’t great for the offspring,” Dr. Moore, assistant professor at the Colorado School of Public Health in Aurora, said in an interview.

And she noted that while some women turn to cannabis to manage the challenging symptoms of pregnancy, “Clinicians should encourage pregnant women to refrain from using cannabis; it is best for these pregnant women to talk to their physicians about alternative ways of managing these symptoms.”

The findings were published online March 31 in the Journal of Clinical Endocrinology & Metabolism.
 

Study of mother and 5-year-old child pairs

The researchers assessed 103 sets of mothers and children from the Healthy Start study. At 27 weeks of gestation, the investigators assessed 12 metabolites of cannabis/cannabinoids in urine samples. Results from these samples were used to categorize fetal exposure to cannabis as either not exposed or exposed. They found that about 15% of the mothers had traceable amounts of cannabinoids, suggesting fetal cannabis exposure.

At follow-up, the study team assessed fat-free mass and fat mass using air displacement plethysmography among the offspring around age 5. They used generalized linear models to approximate the relationship between fetal exposure to cannabis with metabolic measures such as insulin, glucose, and homeostatic model assessment of insulin resistance (HOMA-IR), and adiposity measures such as body mass index, fat-free mass, fat mass, adiposity, and BMI z-scores.

The findings showed that, compared with nonexposed offspring, exposed offspring had greater:

  • Fasting glucose (5.6 mg/dL; 95% confidence interval [CI], 0.8-10.3).
  • Fat-free mass (1.2 kg; 95% CI, 0.4-2.0).
  • Fat mass (1.0 kg; 95% CI, 0.3-1.7).
  • Adiposity (2.6%; 95% CI, 0.1-5.2).

“This finding may suggest that fetal exposure to cannabis contributes to higher fasting glucose levels via a direct effect on the pancreatic β-cells. However, we cannot draw conclusions about β-cell response to glucose because we did not perform oral glucose tolerance tests,” the study authors wrote.

Notably, however, there was no relationship between BMI z-scores, BMI, or HOMA-IR and fasting insulin, the study team found.

Study limitations include the small sample size and lack of self-report data on cannabis use to differentiate between direct use and exposure to cannabis, Dr. Moore acknowledged.

Given the small sample size, the researchers were unable to look at dose-response, which future studies will focus on, Dr. Moore noted. Future efforts will also focus on comparing the effects of tetrahydrocannabinol (THC) and cannabidiol (CBD), Dr. Moore added.

“This is a relatively new field, so there’s still work to be done. This is just one study, and we need to study this more in other cohorts to confirm our findings,” she concluded.

Dr. Moore has reported no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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No link between cell phones and brain tumors in large U.K. study

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Changed
Fri, 04/01/2022 - 08:58

A new U.K. study shows no link between brain tumors and cell phone use, even among individuals who used their phones every day and/or had used them for over 10 years.

“These results support the accumulating evidence that mobile phone use under usual conditions does not increase brain tumor risk,” study author Kirstin Pirie, MSc, from the cancer epidemiology unit at Oxford (England) Population Health, said in a statement.

However, an important limitation of the study is that it involved only women who were middle-aged and older; these people generally use cell phones less than younger women or men, the authors noted. In this study’s cohort, mobile phone use was low, with only 18% of users talking on the phone for 30 minutes or more each week.

The results were published in the Journal of the National Cancer Institute.

This study is a “welcome addition to the body of knowledge looking at the risk from mobile phones, and specifically in relation to certain types of tumor genesis. It is a well-designed, prospective study that identifies no causal link,” commented Malcolm Sperrin from Oxford University Hospitals, who was not involved in the research.

“There is always a need for further research work, especially as phones, wireless, etc., become ubiquitous, but this study should allay many existing concerns,” he commented on the UK Science Media Centre.

Concerns about a cancer risk, particularly brain tumors, have been circulating for decades, and to date, there have been some 30 epidemiologic studies on this issue.

In 2011, the International Agency for Research on Cancer announced that cell phones are “possibly carcinogenic.” That conclusion was based largely on the results of the large INTERPHONE international case-control study and a series of Swedish studies led by Hardell Lennart, MD.

In the latest article, the U.K. researchers suggest that a “likely explanation for the previous positive results is that for a very slow growing tumor, there may be detection bias if cellular telephone users seek medical advice because of awareness of typical symptoms of acoustic neuroma, such as unilateral hearing problems, earlier than nonusers.

“The totality of human evidence, from observational studies, time trends, and bioassays, suggests little or no increase in the risk of cellular telephone users developing a brain tumor,” the U.K. researchers concluded.

Commenting on the U.K. study, Joachim Schüz, PhD, branch head of the section of environment and radiation at the IARC, noted that “mobile technologies are improving all the time, so that the more recent generations emit substantially lower output power.

“Nevertheless, given the lack of evidence for heavy users, advising mobile phone users to reduce unnecessary exposures remains a good precautionary approach,” Dr. Schuz said in a statement.
 

Details of U.K. study

The U.K. study was conducted by researchers from Oxford Population Health and IARC, who used data from the ongoing UK Million Women Study. This study began in 1996 and has recruited 1.3 million women born from 1935 to 1950 (which amounts to 1 in every 4 women) through the U.K. National Health Service Breast Screening Programme. These women complete regular postal questionnaires about sociodemographic, medical, and lifestyle factors.

Questions about cell phone use were completed by about 776,000 women in 2001 (when they were 50-65 years old). About half of these women also answered these questions about mobile phone use 10 years later, in 2011 (when they were aged 60-75).

The answers indicated that by 2011, the majority of women (75%) aged between 60 and 64 years used a mobile phone, while just under half of those aged between 75 and 79 years used one.

These women were then followed for an average of 14 years through linkage to their NHS records.

The researchers looked for any mention of brain tumors, including glioma, acoustic neuroma, meningioma, and pituitary gland tumors, as well as eye tumors.

During the 14 year follow-up period, 3,268 (0.42%) of the participants developed a brain tumor, but there was no significant difference in that risk between individuals who had never used a mobile phone and those who were mobile phone users. These included tumors in the temporal and parietal lobes, which are the most exposed areas of the brain.

There was also no difference in the risk of developing tumors between women who reported using a mobile phone daily, those who used them for at least 20 minutes a week, and those who had used a mobile phone for over 10 years.

In addition, among the individuals who did develop a tumor, the incidence of right- and left-sided tumors was similar among mobile phone users, even though mobile phone use tends to involve the right side considerably more than the left side, the researchers noted.

The study was funded by the UK Medical Research Council and Cancer Research UK.

A version of this article first appeared on Medscape.com.

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A new U.K. study shows no link between brain tumors and cell phone use, even among individuals who used their phones every day and/or had used them for over 10 years.

“These results support the accumulating evidence that mobile phone use under usual conditions does not increase brain tumor risk,” study author Kirstin Pirie, MSc, from the cancer epidemiology unit at Oxford (England) Population Health, said in a statement.

However, an important limitation of the study is that it involved only women who were middle-aged and older; these people generally use cell phones less than younger women or men, the authors noted. In this study’s cohort, mobile phone use was low, with only 18% of users talking on the phone for 30 minutes or more each week.

The results were published in the Journal of the National Cancer Institute.

This study is a “welcome addition to the body of knowledge looking at the risk from mobile phones, and specifically in relation to certain types of tumor genesis. It is a well-designed, prospective study that identifies no causal link,” commented Malcolm Sperrin from Oxford University Hospitals, who was not involved in the research.

“There is always a need for further research work, especially as phones, wireless, etc., become ubiquitous, but this study should allay many existing concerns,” he commented on the UK Science Media Centre.

Concerns about a cancer risk, particularly brain tumors, have been circulating for decades, and to date, there have been some 30 epidemiologic studies on this issue.

In 2011, the International Agency for Research on Cancer announced that cell phones are “possibly carcinogenic.” That conclusion was based largely on the results of the large INTERPHONE international case-control study and a series of Swedish studies led by Hardell Lennart, MD.

In the latest article, the U.K. researchers suggest that a “likely explanation for the previous positive results is that for a very slow growing tumor, there may be detection bias if cellular telephone users seek medical advice because of awareness of typical symptoms of acoustic neuroma, such as unilateral hearing problems, earlier than nonusers.

“The totality of human evidence, from observational studies, time trends, and bioassays, suggests little or no increase in the risk of cellular telephone users developing a brain tumor,” the U.K. researchers concluded.

Commenting on the U.K. study, Joachim Schüz, PhD, branch head of the section of environment and radiation at the IARC, noted that “mobile technologies are improving all the time, so that the more recent generations emit substantially lower output power.

“Nevertheless, given the lack of evidence for heavy users, advising mobile phone users to reduce unnecessary exposures remains a good precautionary approach,” Dr. Schuz said in a statement.
 

Details of U.K. study

The U.K. study was conducted by researchers from Oxford Population Health and IARC, who used data from the ongoing UK Million Women Study. This study began in 1996 and has recruited 1.3 million women born from 1935 to 1950 (which amounts to 1 in every 4 women) through the U.K. National Health Service Breast Screening Programme. These women complete regular postal questionnaires about sociodemographic, medical, and lifestyle factors.

Questions about cell phone use were completed by about 776,000 women in 2001 (when they were 50-65 years old). About half of these women also answered these questions about mobile phone use 10 years later, in 2011 (when they were aged 60-75).

The answers indicated that by 2011, the majority of women (75%) aged between 60 and 64 years used a mobile phone, while just under half of those aged between 75 and 79 years used one.

These women were then followed for an average of 14 years through linkage to their NHS records.

The researchers looked for any mention of brain tumors, including glioma, acoustic neuroma, meningioma, and pituitary gland tumors, as well as eye tumors.

During the 14 year follow-up period, 3,268 (0.42%) of the participants developed a brain tumor, but there was no significant difference in that risk between individuals who had never used a mobile phone and those who were mobile phone users. These included tumors in the temporal and parietal lobes, which are the most exposed areas of the brain.

There was also no difference in the risk of developing tumors between women who reported using a mobile phone daily, those who used them for at least 20 minutes a week, and those who had used a mobile phone for over 10 years.

In addition, among the individuals who did develop a tumor, the incidence of right- and left-sided tumors was similar among mobile phone users, even though mobile phone use tends to involve the right side considerably more than the left side, the researchers noted.

The study was funded by the UK Medical Research Council and Cancer Research UK.

A version of this article first appeared on Medscape.com.

A new U.K. study shows no link between brain tumors and cell phone use, even among individuals who used their phones every day and/or had used them for over 10 years.

“These results support the accumulating evidence that mobile phone use under usual conditions does not increase brain tumor risk,” study author Kirstin Pirie, MSc, from the cancer epidemiology unit at Oxford (England) Population Health, said in a statement.

However, an important limitation of the study is that it involved only women who were middle-aged and older; these people generally use cell phones less than younger women or men, the authors noted. In this study’s cohort, mobile phone use was low, with only 18% of users talking on the phone for 30 minutes or more each week.

The results were published in the Journal of the National Cancer Institute.

This study is a “welcome addition to the body of knowledge looking at the risk from mobile phones, and specifically in relation to certain types of tumor genesis. It is a well-designed, prospective study that identifies no causal link,” commented Malcolm Sperrin from Oxford University Hospitals, who was not involved in the research.

“There is always a need for further research work, especially as phones, wireless, etc., become ubiquitous, but this study should allay many existing concerns,” he commented on the UK Science Media Centre.

Concerns about a cancer risk, particularly brain tumors, have been circulating for decades, and to date, there have been some 30 epidemiologic studies on this issue.

In 2011, the International Agency for Research on Cancer announced that cell phones are “possibly carcinogenic.” That conclusion was based largely on the results of the large INTERPHONE international case-control study and a series of Swedish studies led by Hardell Lennart, MD.

In the latest article, the U.K. researchers suggest that a “likely explanation for the previous positive results is that for a very slow growing tumor, there may be detection bias if cellular telephone users seek medical advice because of awareness of typical symptoms of acoustic neuroma, such as unilateral hearing problems, earlier than nonusers.

“The totality of human evidence, from observational studies, time trends, and bioassays, suggests little or no increase in the risk of cellular telephone users developing a brain tumor,” the U.K. researchers concluded.

Commenting on the U.K. study, Joachim Schüz, PhD, branch head of the section of environment and radiation at the IARC, noted that “mobile technologies are improving all the time, so that the more recent generations emit substantially lower output power.

“Nevertheless, given the lack of evidence for heavy users, advising mobile phone users to reduce unnecessary exposures remains a good precautionary approach,” Dr. Schuz said in a statement.
 

Details of U.K. study

The U.K. study was conducted by researchers from Oxford Population Health and IARC, who used data from the ongoing UK Million Women Study. This study began in 1996 and has recruited 1.3 million women born from 1935 to 1950 (which amounts to 1 in every 4 women) through the U.K. National Health Service Breast Screening Programme. These women complete regular postal questionnaires about sociodemographic, medical, and lifestyle factors.

Questions about cell phone use were completed by about 776,000 women in 2001 (when they were 50-65 years old). About half of these women also answered these questions about mobile phone use 10 years later, in 2011 (when they were aged 60-75).

The answers indicated that by 2011, the majority of women (75%) aged between 60 and 64 years used a mobile phone, while just under half of those aged between 75 and 79 years used one.

These women were then followed for an average of 14 years through linkage to their NHS records.

The researchers looked for any mention of brain tumors, including glioma, acoustic neuroma, meningioma, and pituitary gland tumors, as well as eye tumors.

During the 14 year follow-up period, 3,268 (0.42%) of the participants developed a brain tumor, but there was no significant difference in that risk between individuals who had never used a mobile phone and those who were mobile phone users. These included tumors in the temporal and parietal lobes, which are the most exposed areas of the brain.

There was also no difference in the risk of developing tumors between women who reported using a mobile phone daily, those who used them for at least 20 minutes a week, and those who had used a mobile phone for over 10 years.

In addition, among the individuals who did develop a tumor, the incidence of right- and left-sided tumors was similar among mobile phone users, even though mobile phone use tends to involve the right side considerably more than the left side, the researchers noted.

The study was funded by the UK Medical Research Council and Cancer Research UK.

A version of this article first appeared on Medscape.com.

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FROM THE JOURNAL OF THE NATIONAL CANCER INSTITUTE

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Fingers take the fight to COVID-19

Article Type
Changed
Thu, 03/31/2022 - 12:45

 

Pointing a finger at COVID-19

The battle against COVID-19 is seemingly never ending. It’s been 2 years and still we struggle against the virus. But now, a new hero rises against the eternal menace, a powerful weapon against this scourge of humanity. And that weapon? Finger length.

Before you break out the sad trombone, hear us out. One of the big questions around COVID-19 is the role testosterone plays in its severity: Does low testosterone increase or decrease the odds of contracting severe COVID-19? To help answer that question, English researchers have published a study analyzing finger length ratios in both COVID-19 patients and a healthy control group. That seems random, but high testosterone in the womb leads to longer ring fingers in adulthood, while high estrogen leads to longer index fingers.

PxHere

According to the researchers, those who had significant left hand–right hand differences in the ratio between the second and fourth digits, as well as the third and fifth digits, were significantly more likely to have severe COVID-19 compared with those with more even ratios. Those with “feminized” short little fingers were also at risk. Those large ratio differences indicate low testosterone and high estrogen, which may explain why elderly men are at such high risk for severe COVID-19. Testosterone naturally falls off as men get older.

The results add credence to clinical trials looking to use testosterone-boosting drugs against COVID-19, the researchers said. It also gives credence to LOTME’s brand-new 12-step finger strength fitness routine and our branded finger weights. Now just $19.95! It’s the bargain of the century! Boost your testosterone naturally and protect yourself from COVID-19! We promise it’s not a scam.
 

Some emergencies need a superhero

Last week, we learned about the most boring person in the world. This week just happens to be opposite week, so we’re looking at a candidate for the most interesting person. Someone who can swoop down from the sky to save the injured and helpless. Someone who can go where helicopters fear to tread. Someone with jet engines for arms. Superhero-type stuff.

Richard Browning/Gravity Industries

The Great North Air Ambulance Service (GNAAS), a charitable organization located in the United Kingdom, recently announced that one of its members has completed training on the Gravity Industries Jet Suit. The suit “has two engines on each arm and a larger engine on the back [that] provide up to 317 pounds of thrust,” Interesting Engineering explained.

GNAAS is putting the suit into operation in England’s Lake District National Park, which includes mountainous terrain that is not very hospitable to helicopter landings. A paramedic using the suit can reach hikers stranded on mountainsides much faster than rescuers who have to run or hike from the nearest helicopter landing site.

“Everyone looks at the wow factor and the fact we are the world’s first jet suit paramedics, but for us, it’s about delivering patient care,” GNAAS’ Andy Mawson told Interesting Engineering. Sounds like superhero-speak to us.

So if you’re in the Lake District and have taken a bit of a tumble, you can call a superhero on your cell phone or you can use this to summon one.
 

 

 

Why we’re rejecting food as medicine

Humans have been using food to treat ailments much longer than we’ve had the advances of modern medicine. So why have we rejected its worth in our treatment processes? And what can be done to change that? The Center for Food as Medicine and the Hunter College NYC Food Policy Center just released a 335-page report that answers those questions.

phototake/ThinkStock

First, the why: Meals in health care settings are not medically designed to help with the specific needs of the patient. Produce-prescription and nutrition-incentive programs don’t have the government funds to fully support them. And a lot of medical schools don’t even require students to take a basic nutrition course. So there’s a lack of knowledge and a disconnect between health care providers and food as a resource.

Then there’s a lack of trust in the food industry and their validity. Social media uses food as a means of promoting “pseudoscientific alternative medicine” or spreading false info, pushing away legitimate providers. The food industry has had its fingers in food science studies and an almost mafia-esque chokehold on American dietary guidelines. No wonder food for medicine is getting the boot!

To change the situation, the report offers 10 key recommendations on how to advance the idea of incorporating food into medicine for treatment and prevention. They include boosting the funding for research, making hospitals more food-as-medicine focused, expanding federal programs, and improving public awareness on the role nutrition can play in medical treatment or prevention.

So maybe instead of rejecting food outright, we should be looking a little deeper at how we can use it to our advantage. Just a thought: Ice cream as an antidepressant.
 

Being rude is a good thing, apparently

If you’ve ever been called argumentative, stubborn, or unpleasant, then this LOTME is for you. Researchers at the University of Geneva have found that people who are more stubborn and hate to conform have brains that are more protected against Alzheimer’s disease. That type of personality seems to preserve the part of the brain that usually deteriorates as we grow older.

Piqsels

The original hypothesis that personality may have a protective effect against brain degeneration led the investigators to conduct cognitive and personality assessments of 65 elderly participants over a 5-year period. Researchers have been attempting to create vaccines to protect against Alzheimer’s disease, but these new findings offer a nonbiological way to help.

“For a long time, the brain is able to compensate by activating alternative networks; when the first clinical signs appear, however, it is unfortunately often too late. The identification of early biomarkers is therefore essential for … effective disease management,” lead author Panteleimon Giannakopoulos, MD, said in a Study Finds report.

You may be wondering how people with more agreeable and less confrontational personalities can seek help. Well, researchers are working on that, too. It’s a complex situation, but as always, we’re rooting for you, science!

At least now you can take solace in the fact that your elderly next-door neighbor who yells at you for stepping on his lawn is probably more protected against Alzheimer’s disease.

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Topics
Sections

 

Pointing a finger at COVID-19

The battle against COVID-19 is seemingly never ending. It’s been 2 years and still we struggle against the virus. But now, a new hero rises against the eternal menace, a powerful weapon against this scourge of humanity. And that weapon? Finger length.

Before you break out the sad trombone, hear us out. One of the big questions around COVID-19 is the role testosterone plays in its severity: Does low testosterone increase or decrease the odds of contracting severe COVID-19? To help answer that question, English researchers have published a study analyzing finger length ratios in both COVID-19 patients and a healthy control group. That seems random, but high testosterone in the womb leads to longer ring fingers in adulthood, while high estrogen leads to longer index fingers.

PxHere

According to the researchers, those who had significant left hand–right hand differences in the ratio between the second and fourth digits, as well as the third and fifth digits, were significantly more likely to have severe COVID-19 compared with those with more even ratios. Those with “feminized” short little fingers were also at risk. Those large ratio differences indicate low testosterone and high estrogen, which may explain why elderly men are at such high risk for severe COVID-19. Testosterone naturally falls off as men get older.

The results add credence to clinical trials looking to use testosterone-boosting drugs against COVID-19, the researchers said. It also gives credence to LOTME’s brand-new 12-step finger strength fitness routine and our branded finger weights. Now just $19.95! It’s the bargain of the century! Boost your testosterone naturally and protect yourself from COVID-19! We promise it’s not a scam.
 

Some emergencies need a superhero

Last week, we learned about the most boring person in the world. This week just happens to be opposite week, so we’re looking at a candidate for the most interesting person. Someone who can swoop down from the sky to save the injured and helpless. Someone who can go where helicopters fear to tread. Someone with jet engines for arms. Superhero-type stuff.

Richard Browning/Gravity Industries

The Great North Air Ambulance Service (GNAAS), a charitable organization located in the United Kingdom, recently announced that one of its members has completed training on the Gravity Industries Jet Suit. The suit “has two engines on each arm and a larger engine on the back [that] provide up to 317 pounds of thrust,” Interesting Engineering explained.

GNAAS is putting the suit into operation in England’s Lake District National Park, which includes mountainous terrain that is not very hospitable to helicopter landings. A paramedic using the suit can reach hikers stranded on mountainsides much faster than rescuers who have to run or hike from the nearest helicopter landing site.

“Everyone looks at the wow factor and the fact we are the world’s first jet suit paramedics, but for us, it’s about delivering patient care,” GNAAS’ Andy Mawson told Interesting Engineering. Sounds like superhero-speak to us.

So if you’re in the Lake District and have taken a bit of a tumble, you can call a superhero on your cell phone or you can use this to summon one.
 

 

 

Why we’re rejecting food as medicine

Humans have been using food to treat ailments much longer than we’ve had the advances of modern medicine. So why have we rejected its worth in our treatment processes? And what can be done to change that? The Center for Food as Medicine and the Hunter College NYC Food Policy Center just released a 335-page report that answers those questions.

phototake/ThinkStock

First, the why: Meals in health care settings are not medically designed to help with the specific needs of the patient. Produce-prescription and nutrition-incentive programs don’t have the government funds to fully support them. And a lot of medical schools don’t even require students to take a basic nutrition course. So there’s a lack of knowledge and a disconnect between health care providers and food as a resource.

Then there’s a lack of trust in the food industry and their validity. Social media uses food as a means of promoting “pseudoscientific alternative medicine” or spreading false info, pushing away legitimate providers. The food industry has had its fingers in food science studies and an almost mafia-esque chokehold on American dietary guidelines. No wonder food for medicine is getting the boot!

To change the situation, the report offers 10 key recommendations on how to advance the idea of incorporating food into medicine for treatment and prevention. They include boosting the funding for research, making hospitals more food-as-medicine focused, expanding federal programs, and improving public awareness on the role nutrition can play in medical treatment or prevention.

So maybe instead of rejecting food outright, we should be looking a little deeper at how we can use it to our advantage. Just a thought: Ice cream as an antidepressant.
 

Being rude is a good thing, apparently

If you’ve ever been called argumentative, stubborn, or unpleasant, then this LOTME is for you. Researchers at the University of Geneva have found that people who are more stubborn and hate to conform have brains that are more protected against Alzheimer’s disease. That type of personality seems to preserve the part of the brain that usually deteriorates as we grow older.

Piqsels

The original hypothesis that personality may have a protective effect against brain degeneration led the investigators to conduct cognitive and personality assessments of 65 elderly participants over a 5-year period. Researchers have been attempting to create vaccines to protect against Alzheimer’s disease, but these new findings offer a nonbiological way to help.

“For a long time, the brain is able to compensate by activating alternative networks; when the first clinical signs appear, however, it is unfortunately often too late. The identification of early biomarkers is therefore essential for … effective disease management,” lead author Panteleimon Giannakopoulos, MD, said in a Study Finds report.

You may be wondering how people with more agreeable and less confrontational personalities can seek help. Well, researchers are working on that, too. It’s a complex situation, but as always, we’re rooting for you, science!

At least now you can take solace in the fact that your elderly next-door neighbor who yells at you for stepping on his lawn is probably more protected against Alzheimer’s disease.

 

Pointing a finger at COVID-19

The battle against COVID-19 is seemingly never ending. It’s been 2 years and still we struggle against the virus. But now, a new hero rises against the eternal menace, a powerful weapon against this scourge of humanity. And that weapon? Finger length.

Before you break out the sad trombone, hear us out. One of the big questions around COVID-19 is the role testosterone plays in its severity: Does low testosterone increase or decrease the odds of contracting severe COVID-19? To help answer that question, English researchers have published a study analyzing finger length ratios in both COVID-19 patients and a healthy control group. That seems random, but high testosterone in the womb leads to longer ring fingers in adulthood, while high estrogen leads to longer index fingers.

PxHere

According to the researchers, those who had significant left hand–right hand differences in the ratio between the second and fourth digits, as well as the third and fifth digits, were significantly more likely to have severe COVID-19 compared with those with more even ratios. Those with “feminized” short little fingers were also at risk. Those large ratio differences indicate low testosterone and high estrogen, which may explain why elderly men are at such high risk for severe COVID-19. Testosterone naturally falls off as men get older.

The results add credence to clinical trials looking to use testosterone-boosting drugs against COVID-19, the researchers said. It also gives credence to LOTME’s brand-new 12-step finger strength fitness routine and our branded finger weights. Now just $19.95! It’s the bargain of the century! Boost your testosterone naturally and protect yourself from COVID-19! We promise it’s not a scam.
 

Some emergencies need a superhero

Last week, we learned about the most boring person in the world. This week just happens to be opposite week, so we’re looking at a candidate for the most interesting person. Someone who can swoop down from the sky to save the injured and helpless. Someone who can go where helicopters fear to tread. Someone with jet engines for arms. Superhero-type stuff.

Richard Browning/Gravity Industries

The Great North Air Ambulance Service (GNAAS), a charitable organization located in the United Kingdom, recently announced that one of its members has completed training on the Gravity Industries Jet Suit. The suit “has two engines on each arm and a larger engine on the back [that] provide up to 317 pounds of thrust,” Interesting Engineering explained.

GNAAS is putting the suit into operation in England’s Lake District National Park, which includes mountainous terrain that is not very hospitable to helicopter landings. A paramedic using the suit can reach hikers stranded on mountainsides much faster than rescuers who have to run or hike from the nearest helicopter landing site.

“Everyone looks at the wow factor and the fact we are the world’s first jet suit paramedics, but for us, it’s about delivering patient care,” GNAAS’ Andy Mawson told Interesting Engineering. Sounds like superhero-speak to us.

So if you’re in the Lake District and have taken a bit of a tumble, you can call a superhero on your cell phone or you can use this to summon one.
 

 

 

Why we’re rejecting food as medicine

Humans have been using food to treat ailments much longer than we’ve had the advances of modern medicine. So why have we rejected its worth in our treatment processes? And what can be done to change that? The Center for Food as Medicine and the Hunter College NYC Food Policy Center just released a 335-page report that answers those questions.

phototake/ThinkStock

First, the why: Meals in health care settings are not medically designed to help with the specific needs of the patient. Produce-prescription and nutrition-incentive programs don’t have the government funds to fully support them. And a lot of medical schools don’t even require students to take a basic nutrition course. So there’s a lack of knowledge and a disconnect between health care providers and food as a resource.

Then there’s a lack of trust in the food industry and their validity. Social media uses food as a means of promoting “pseudoscientific alternative medicine” or spreading false info, pushing away legitimate providers. The food industry has had its fingers in food science studies and an almost mafia-esque chokehold on American dietary guidelines. No wonder food for medicine is getting the boot!

To change the situation, the report offers 10 key recommendations on how to advance the idea of incorporating food into medicine for treatment and prevention. They include boosting the funding for research, making hospitals more food-as-medicine focused, expanding federal programs, and improving public awareness on the role nutrition can play in medical treatment or prevention.

So maybe instead of rejecting food outright, we should be looking a little deeper at how we can use it to our advantage. Just a thought: Ice cream as an antidepressant.
 

Being rude is a good thing, apparently

If you’ve ever been called argumentative, stubborn, or unpleasant, then this LOTME is for you. Researchers at the University of Geneva have found that people who are more stubborn and hate to conform have brains that are more protected against Alzheimer’s disease. That type of personality seems to preserve the part of the brain that usually deteriorates as we grow older.

Piqsels

The original hypothesis that personality may have a protective effect against brain degeneration led the investigators to conduct cognitive and personality assessments of 65 elderly participants over a 5-year period. Researchers have been attempting to create vaccines to protect against Alzheimer’s disease, but these new findings offer a nonbiological way to help.

“For a long time, the brain is able to compensate by activating alternative networks; when the first clinical signs appear, however, it is unfortunately often too late. The identification of early biomarkers is therefore essential for … effective disease management,” lead author Panteleimon Giannakopoulos, MD, said in a Study Finds report.

You may be wondering how people with more agreeable and less confrontational personalities can seek help. Well, researchers are working on that, too. It’s a complex situation, but as always, we’re rooting for you, science!

At least now you can take solace in the fact that your elderly next-door neighbor who yells at you for stepping on his lawn is probably more protected against Alzheimer’s disease.

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Obesity increasing the risk for cancer: It’s complicated

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The link between obesity and cancer has increasingly been emphasized in public health messages, but is the current message correct?

“Being overweight or having obesity increases your risk of getting cancer,” warns the U.S. Centers for Disease Control and Prevention. It warns that overweight/obesity is “linked with a higher risk of getting 13 types of cancer ... [which] make up 40% of all cancers diagnosed in the United States each year.”

But that message, which is also promulgated by many cancer organizations, is based on data from observational studies, which have many limitations.

A new study based on Mendelian randomization studies has come to a slightly different conclusion and has found a potential causal association with just six cancers.

In addition, it found an inverse relationship for breast cancer, in which early-life obesity was associated with a reduced risk of breast cancer, and the relationship with obesity was “complicated” for lung and prostate cancer.

The study, headed by Zhe Fang, MBBS, Harvard T. H. Chan School of Public Health, Boston, Mass., was published in the Journal of the National Cancer Institute

“For a seemingly straightforward question of whether excessive body fatness causes cancer, the answer may not be straightforward after all,” writes Song Yao, PhD, professor of oncology, Roswell Park Comprehensive Cancer Center, Buffalo, N.Y., in an accompanying editorial

“How to craft a simple public health message to convey the complexity and nuances of the relationships may be a challenge to be grappled with going forward,” he added.

In an interview, Dr. Yao said that it “really depends on what kind of message you want to get out.”

“If you want to talk about cancer overall, as one disease, we all know that a clear association with obesity does not exist,” he said. “It’s not that simple.”

“You really cannot say that obesity increases cancer risk overall,” he said.

For some cancers included in the study, Dr. Yao continued, it was “very clear that obesity increased the risk ... but for some other cancer types, we either don’t have enough data yet or the association is not as consistent.”

This, he said, is especially the case for prostate and lung cancer.

All of this indicates that there is a complex relationship between obesity and cancer risk, he maintains.

“We always think obesity is bad, not only for cancer but also for more common conditions, like hypertension, diabetes, and cardiovascular disease,” Dr. Yao noted. This points to the link between obesity and chronic inflammation, he added.

However, there are also other hypotheses, including synthesis of estrogen in adipose tissue, which may explain the link between obesity and breast cancer risk in older women.

However, in younger women, obesity protects against breast cancer, and “we really don’t know why,” Dr. Yao said.

The new study used Mendelian randomization to examine these relationships. This is a “new tool that we have developed over the past 20 years or so, largely because there is so much data coming from genome-wide association studies,” Dr. Yao explained.

It has “advantages” over other methods, including observational studies. One of its strengths is that it is “not impacted by reverse causality,” because genetic risk does not change over time.

However, he said, it is “quite straightforward to think that the genetics do not change, but at the same time, the environment we live in throughout our life course changes,” and the impact of genetic variants may be “washed out.”

How genetics influences cancer risk may therefore change over time, and it is a “dynamic process,” Dr. Yao commented.

In addition, this approach has its own limitations, he said, because it depends on how much of the variation in a given measure can be attributed to genetic factors.
 

 

 

New conclusions

In their study, Dr. Fang and colleagues reviewed 204 meta-analyses of 2,179 individual estimates from 507 cohort or case-control studies. They found “strong evidence” that supports the association between obesity and 11 cancers.

These are esophageal adenocarcinoma, multiple myeloma, and cancers of the gastric cardia, colon, rectum, biliary tract system, pancreas, breast, endometrium, ovary, and kidney.

They note, however, that the associations “may be causal for some malignancies” but that the co-occurrence of obesity with various cancer risk factors means that others may be “susceptible to potential confounding bias.”

To overcome some of these limitations, the team looked to Mendelian randomization studies that examined the association between genetic variants linked to body mass index (BMI), indicating lifetime risk of high BMI, and cancer risk for a range of cancer types.

These Mendelian randomization studies were then compared with the results of large-scale conventional observational studies, as well as with evidence in reports from the International Agency for Research on Cancer and the World Cancer Research Fund–American Institute of Cancer Research, which also include experimental studies.

The researchers say that, overall, the Mendelian randomization studies “further establish the causality of obesity” with six cancer types: colorectal, endometrial, ovarian, kidney, and pancreatic cancer, and esophageal adenocarcinoma.

In addition, these studies further establish the inverse relationship of early-life obesity with breast cancer.

However, the approach could not confirm a positive association between obesity and gallbladder and gastric cardia cancer, as well as multiple myeloma.

“This could be due to low power,” the team suggests, “and larger studies are required.”

With respect to lung cancer, the Mendelian randomization identified a positive association with obesity that supports the inverse association identified in observational studies, that is, that obesity may reduce the risk for lung cancer.

The researchers suggest this may reflect reverse causality related to the loss of lean body mass before diagnosis, as well as confounding by smoking.

For prostate cancer, the evidence was “conflicting” and “implies a complicated role of obesity,” Dr. Zhang and colleagues comment.

The link between obesity and lower prostate-specific antigen levels, they suggest, may result in a detection bias by masking the presence of prostate cancer, or it “could be biological” in origin, owing to reduced androgen levels.

For six cancer types for which a causal relationship with obesity could be established, the effect estimates from the Mendelian randomization studies were stronger than those seen in conventional studies, with the magnitude of risk ranging from 1.14-fold for early-life obesity and breast cancer to 1.37-fold for adult obesity and esophageal adenocarcinoma.

In another editorial accompanying the new study, Graham A. Colditz, MD, DrPH, from Washington University School of Medicine, St. Louis, underlined that childhood and adolescent obesity and their contribution to cancer risk need further attention.

“To reap the reward from past research, we must act to implement effective strategies to reduce childhood and adolescent adiposity, reduce excess weight gain in adult years, and maintain a healthy weight,” he writes.

“This will require us to change the way we live, but COVID-19 has shown we can make changes to how we live and work. Let us keep the changes we have already made, or take on new ones, that will cut our collective cancer toll,” he implores.

No funding for the study was described. Dr. Colditz is supported by the Breast Cancer Research Foundation. No other relevant financial relationships were described.

A version of this article first appeared on Medscape.com.

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The link between obesity and cancer has increasingly been emphasized in public health messages, but is the current message correct?

“Being overweight or having obesity increases your risk of getting cancer,” warns the U.S. Centers for Disease Control and Prevention. It warns that overweight/obesity is “linked with a higher risk of getting 13 types of cancer ... [which] make up 40% of all cancers diagnosed in the United States each year.”

But that message, which is also promulgated by many cancer organizations, is based on data from observational studies, which have many limitations.

A new study based on Mendelian randomization studies has come to a slightly different conclusion and has found a potential causal association with just six cancers.

In addition, it found an inverse relationship for breast cancer, in which early-life obesity was associated with a reduced risk of breast cancer, and the relationship with obesity was “complicated” for lung and prostate cancer.

The study, headed by Zhe Fang, MBBS, Harvard T. H. Chan School of Public Health, Boston, Mass., was published in the Journal of the National Cancer Institute

“For a seemingly straightforward question of whether excessive body fatness causes cancer, the answer may not be straightforward after all,” writes Song Yao, PhD, professor of oncology, Roswell Park Comprehensive Cancer Center, Buffalo, N.Y., in an accompanying editorial

“How to craft a simple public health message to convey the complexity and nuances of the relationships may be a challenge to be grappled with going forward,” he added.

In an interview, Dr. Yao said that it “really depends on what kind of message you want to get out.”

“If you want to talk about cancer overall, as one disease, we all know that a clear association with obesity does not exist,” he said. “It’s not that simple.”

“You really cannot say that obesity increases cancer risk overall,” he said.

For some cancers included in the study, Dr. Yao continued, it was “very clear that obesity increased the risk ... but for some other cancer types, we either don’t have enough data yet or the association is not as consistent.”

This, he said, is especially the case for prostate and lung cancer.

All of this indicates that there is a complex relationship between obesity and cancer risk, he maintains.

“We always think obesity is bad, not only for cancer but also for more common conditions, like hypertension, diabetes, and cardiovascular disease,” Dr. Yao noted. This points to the link between obesity and chronic inflammation, he added.

However, there are also other hypotheses, including synthesis of estrogen in adipose tissue, which may explain the link between obesity and breast cancer risk in older women.

However, in younger women, obesity protects against breast cancer, and “we really don’t know why,” Dr. Yao said.

The new study used Mendelian randomization to examine these relationships. This is a “new tool that we have developed over the past 20 years or so, largely because there is so much data coming from genome-wide association studies,” Dr. Yao explained.

It has “advantages” over other methods, including observational studies. One of its strengths is that it is “not impacted by reverse causality,” because genetic risk does not change over time.

However, he said, it is “quite straightforward to think that the genetics do not change, but at the same time, the environment we live in throughout our life course changes,” and the impact of genetic variants may be “washed out.”

How genetics influences cancer risk may therefore change over time, and it is a “dynamic process,” Dr. Yao commented.

In addition, this approach has its own limitations, he said, because it depends on how much of the variation in a given measure can be attributed to genetic factors.
 

 

 

New conclusions

In their study, Dr. Fang and colleagues reviewed 204 meta-analyses of 2,179 individual estimates from 507 cohort or case-control studies. They found “strong evidence” that supports the association between obesity and 11 cancers.

These are esophageal adenocarcinoma, multiple myeloma, and cancers of the gastric cardia, colon, rectum, biliary tract system, pancreas, breast, endometrium, ovary, and kidney.

They note, however, that the associations “may be causal for some malignancies” but that the co-occurrence of obesity with various cancer risk factors means that others may be “susceptible to potential confounding bias.”

To overcome some of these limitations, the team looked to Mendelian randomization studies that examined the association between genetic variants linked to body mass index (BMI), indicating lifetime risk of high BMI, and cancer risk for a range of cancer types.

These Mendelian randomization studies were then compared with the results of large-scale conventional observational studies, as well as with evidence in reports from the International Agency for Research on Cancer and the World Cancer Research Fund–American Institute of Cancer Research, which also include experimental studies.

The researchers say that, overall, the Mendelian randomization studies “further establish the causality of obesity” with six cancer types: colorectal, endometrial, ovarian, kidney, and pancreatic cancer, and esophageal adenocarcinoma.

In addition, these studies further establish the inverse relationship of early-life obesity with breast cancer.

However, the approach could not confirm a positive association between obesity and gallbladder and gastric cardia cancer, as well as multiple myeloma.

“This could be due to low power,” the team suggests, “and larger studies are required.”

With respect to lung cancer, the Mendelian randomization identified a positive association with obesity that supports the inverse association identified in observational studies, that is, that obesity may reduce the risk for lung cancer.

The researchers suggest this may reflect reverse causality related to the loss of lean body mass before diagnosis, as well as confounding by smoking.

For prostate cancer, the evidence was “conflicting” and “implies a complicated role of obesity,” Dr. Zhang and colleagues comment.

The link between obesity and lower prostate-specific antigen levels, they suggest, may result in a detection bias by masking the presence of prostate cancer, or it “could be biological” in origin, owing to reduced androgen levels.

For six cancer types for which a causal relationship with obesity could be established, the effect estimates from the Mendelian randomization studies were stronger than those seen in conventional studies, with the magnitude of risk ranging from 1.14-fold for early-life obesity and breast cancer to 1.37-fold for adult obesity and esophageal adenocarcinoma.

In another editorial accompanying the new study, Graham A. Colditz, MD, DrPH, from Washington University School of Medicine, St. Louis, underlined that childhood and adolescent obesity and their contribution to cancer risk need further attention.

“To reap the reward from past research, we must act to implement effective strategies to reduce childhood and adolescent adiposity, reduce excess weight gain in adult years, and maintain a healthy weight,” he writes.

“This will require us to change the way we live, but COVID-19 has shown we can make changes to how we live and work. Let us keep the changes we have already made, or take on new ones, that will cut our collective cancer toll,” he implores.

No funding for the study was described. Dr. Colditz is supported by the Breast Cancer Research Foundation. No other relevant financial relationships were described.

A version of this article first appeared on Medscape.com.

The link between obesity and cancer has increasingly been emphasized in public health messages, but is the current message correct?

“Being overweight or having obesity increases your risk of getting cancer,” warns the U.S. Centers for Disease Control and Prevention. It warns that overweight/obesity is “linked with a higher risk of getting 13 types of cancer ... [which] make up 40% of all cancers diagnosed in the United States each year.”

But that message, which is also promulgated by many cancer organizations, is based on data from observational studies, which have many limitations.

A new study based on Mendelian randomization studies has come to a slightly different conclusion and has found a potential causal association with just six cancers.

In addition, it found an inverse relationship for breast cancer, in which early-life obesity was associated with a reduced risk of breast cancer, and the relationship with obesity was “complicated” for lung and prostate cancer.

The study, headed by Zhe Fang, MBBS, Harvard T. H. Chan School of Public Health, Boston, Mass., was published in the Journal of the National Cancer Institute

“For a seemingly straightforward question of whether excessive body fatness causes cancer, the answer may not be straightforward after all,” writes Song Yao, PhD, professor of oncology, Roswell Park Comprehensive Cancer Center, Buffalo, N.Y., in an accompanying editorial

“How to craft a simple public health message to convey the complexity and nuances of the relationships may be a challenge to be grappled with going forward,” he added.

In an interview, Dr. Yao said that it “really depends on what kind of message you want to get out.”

“If you want to talk about cancer overall, as one disease, we all know that a clear association with obesity does not exist,” he said. “It’s not that simple.”

“You really cannot say that obesity increases cancer risk overall,” he said.

For some cancers included in the study, Dr. Yao continued, it was “very clear that obesity increased the risk ... but for some other cancer types, we either don’t have enough data yet or the association is not as consistent.”

This, he said, is especially the case for prostate and lung cancer.

All of this indicates that there is a complex relationship between obesity and cancer risk, he maintains.

“We always think obesity is bad, not only for cancer but also for more common conditions, like hypertension, diabetes, and cardiovascular disease,” Dr. Yao noted. This points to the link between obesity and chronic inflammation, he added.

However, there are also other hypotheses, including synthesis of estrogen in adipose tissue, which may explain the link between obesity and breast cancer risk in older women.

However, in younger women, obesity protects against breast cancer, and “we really don’t know why,” Dr. Yao said.

The new study used Mendelian randomization to examine these relationships. This is a “new tool that we have developed over the past 20 years or so, largely because there is so much data coming from genome-wide association studies,” Dr. Yao explained.

It has “advantages” over other methods, including observational studies. One of its strengths is that it is “not impacted by reverse causality,” because genetic risk does not change over time.

However, he said, it is “quite straightforward to think that the genetics do not change, but at the same time, the environment we live in throughout our life course changes,” and the impact of genetic variants may be “washed out.”

How genetics influences cancer risk may therefore change over time, and it is a “dynamic process,” Dr. Yao commented.

In addition, this approach has its own limitations, he said, because it depends on how much of the variation in a given measure can be attributed to genetic factors.
 

 

 

New conclusions

In their study, Dr. Fang and colleagues reviewed 204 meta-analyses of 2,179 individual estimates from 507 cohort or case-control studies. They found “strong evidence” that supports the association between obesity and 11 cancers.

These are esophageal adenocarcinoma, multiple myeloma, and cancers of the gastric cardia, colon, rectum, biliary tract system, pancreas, breast, endometrium, ovary, and kidney.

They note, however, that the associations “may be causal for some malignancies” but that the co-occurrence of obesity with various cancer risk factors means that others may be “susceptible to potential confounding bias.”

To overcome some of these limitations, the team looked to Mendelian randomization studies that examined the association between genetic variants linked to body mass index (BMI), indicating lifetime risk of high BMI, and cancer risk for a range of cancer types.

These Mendelian randomization studies were then compared with the results of large-scale conventional observational studies, as well as with evidence in reports from the International Agency for Research on Cancer and the World Cancer Research Fund–American Institute of Cancer Research, which also include experimental studies.

The researchers say that, overall, the Mendelian randomization studies “further establish the causality of obesity” with six cancer types: colorectal, endometrial, ovarian, kidney, and pancreatic cancer, and esophageal adenocarcinoma.

In addition, these studies further establish the inverse relationship of early-life obesity with breast cancer.

However, the approach could not confirm a positive association between obesity and gallbladder and gastric cardia cancer, as well as multiple myeloma.

“This could be due to low power,” the team suggests, “and larger studies are required.”

With respect to lung cancer, the Mendelian randomization identified a positive association with obesity that supports the inverse association identified in observational studies, that is, that obesity may reduce the risk for lung cancer.

The researchers suggest this may reflect reverse causality related to the loss of lean body mass before diagnosis, as well as confounding by smoking.

For prostate cancer, the evidence was “conflicting” and “implies a complicated role of obesity,” Dr. Zhang and colleagues comment.

The link between obesity and lower prostate-specific antigen levels, they suggest, may result in a detection bias by masking the presence of prostate cancer, or it “could be biological” in origin, owing to reduced androgen levels.

For six cancer types for which a causal relationship with obesity could be established, the effect estimates from the Mendelian randomization studies were stronger than those seen in conventional studies, with the magnitude of risk ranging from 1.14-fold for early-life obesity and breast cancer to 1.37-fold for adult obesity and esophageal adenocarcinoma.

In another editorial accompanying the new study, Graham A. Colditz, MD, DrPH, from Washington University School of Medicine, St. Louis, underlined that childhood and adolescent obesity and their contribution to cancer risk need further attention.

“To reap the reward from past research, we must act to implement effective strategies to reduce childhood and adolescent adiposity, reduce excess weight gain in adult years, and maintain a healthy weight,” he writes.

“This will require us to change the way we live, but COVID-19 has shown we can make changes to how we live and work. Let us keep the changes we have already made, or take on new ones, that will cut our collective cancer toll,” he implores.

No funding for the study was described. Dr. Colditz is supported by the Breast Cancer Research Foundation. No other relevant financial relationships were described.

A version of this article first appeared on Medscape.com.

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FROM THE JOURNAL OF THE NATIONAL CANCER INSTITUTE

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Reporting from: 48th annual scientific meeting of the Society of Gynecologic Surgeons

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Wednesday, March 30. Day 3 of SGS.

The final day of #SGS2022 began with the last round of oral and video presentations on topics including: the efficacy and safety of restrictive blood transfusion protocols in gynecologic surgical patients, restricted opioid use following midurethral sling procedures, and the efficacy of trigger point injections for myofascial pelvic pain. Next, the prestigious Distinguished Surgeon Award was presented to Dr. Jeffrey Cornella, professor of Obstetrics and Gynecology at Mayo Clinic College of Medicine, for his contributions to the field of gynecologic surgery.

This was followed by the passing of the presidential gavel from current SGS president Dr. Carl Zimmerman to incoming president Dr. Cheryl Iglesia, Director of Female Pelvic Medicine and Reconstructive Surgery at MedStar Washington Hospital Center, Washington DC, and Director of the National Center for Advanced Pelvic Surgery (NCAPS) at Medstar Health. Dr. Iglesia has been internationally and nationally recognized for her work in advancing the field of pelvic surgery and urogynecology through extensive research, clinical excellence, and support of medical education.

Needless to say, #SGS2022 was a huge success! While many of us are sad to leave San Antonio today, we are returning to our respective programs feeling motivated and rejuvenated. There is nothing more inspiring than spending time with such a highly committed group of physicians who strive to improve patient care through their excellent contributions to research and medical education. I am grateful for the new mentors, colleagues, and friends I have met at this meeting.

Thank you to the Society of Gynecologic Surgeons and OBG Management for giving me the opportunity to reflect on my experience at #SGS2022, as well as the companies that support the Fellows Scholar program.

I can’t wait to attend the 49th Annual Scientific Meeting in Tuscon, Arizona, in 2023!

Tuesday, March 29, 2022. Day 2 of SGS.

The second day of #SGS2022 began with several academic roundtables on a variety of topics including hysteroscopy, uterine-preserving prolapse surgeries, how to select patients for vaginal hysterectomy, and the role of minimally invasive surgery in transabdominal cerclage. The general session continued with more outstanding poster and video presentations that were followed by the annual presidential address. SGS president Dr. Carl Zimmerman spoke about the changing surgical landscape and SGS’s commitment to improving surgical education: “The women of America and the world deserve better.” He went on to announce the creation of a presidential task force on surgical training, whose members will include: Dr. Ted Anderson, Dr. Emily Weber LeBrun, and Dr. Mike Moen.

This year’s TeLinde Lecture was given by the executive director of the American College of Surgeons, Dr. Dr. Patricia Turner. Her talk was entitled, “Surgeons: More to Unite Us Than Divide Us.” Dr. Turner began by reminding us of the shared history between general surgery and gynecologic surgery. In fact, the American College of Surgeons was founded by gynecologist Dr. Franklin H. Martin. She went on to thoughtfully discuss the need to rethink surgical training and the way we assess surgical trainees. She highlighted the importance of collaboration between all surgical specialties to improve surgical education, improve outcomes, and advocate for patients. “In order to heal all, we have to have ALL surgeons at the table.”

Today’s general session was concluded with a panel discussion on “Operating Room Safety and Efficiency” in which Dr. Kenneth Catchpole, Dr. Teodor Grantcharov, and Dr. Jason Wright shared some interesting ideas on how we can improve patient care in the operating room. The afternoon continued with a number of social activities, providing an opportunity to enjoy the beautiful landscape of San Antonio, Texas, including: a tour of Eisenhower park, kayaking on the Guadelupe River, and the SGS golf tournament.

The fun continued into the evening at the annual “SGS’ Got Talent” in which participants could be spotted in cowboy hats, bandanas, and boots. The night was filled with food, drinks, laughter, and line dancing! #SGS2022

 

Monday, March 28, 2022. Day 1 of SGS.

“How do you become brave? How do you become an advocate? How do you make a change?” These are just some of the questions asked during our thought-provoking early morning session entitled, “Healthcare Inequity Awareness—A Conversation to Empower Providers and Enhance the Patient Experience” at this year’s annual scientific meeting of the Society of Gynecologic Surgeons #SGS2022. The panelists, which included Dr. Olivia Cardenas-Trowers, Dr. Maria Florian-Rodriguez, and Dr. Tristi Muir, emphasized the importance of acknowledging our own bias as physicians, as well as the role structural racism plays in the health care access and outcomes of our patients. We were reminded that “Diversity, Equity, Inclusion (aka DEI) is a journey. It is progress over time, not over night.”

Following the early morning panel, the 48th annual scientific meeting officially began with a brief welcome and recognition of new SGS members by current president Dr. Carl Zimmerman and scientific program committee chair Dr. Oz Harmanli. The rest of the morning session was filled with outstanding oral and video presentations on topics ranging from the role of oophorectomy in patients with breast cancer, creating simulation models to enhance medical education, and tips for navigating the altered retroperitoneum.

Next, the Mark D. Walters endowed lecture was given by Dr. Marta A. Crispens, entitled “Restructuring Gynecologic Surgical Education: It’s a Matter of Equity.” In her exceptionally powerful address, Dr. Crispens began by discussing the historical context in which the fields of obstetrics and gynecology were combined and comparing it to a shift in current practice toward a national decrease in number of hysterectomies and an increase in the complexity of surgical cases. She highlighted the well-studied fact that low-volume surgeons have higher complication rates and that many new ObGyn residency graduates perform only 3 to 4 hysterectomies annually during the first few years of practice. Finally, she asserted that, by separating the practices of obstetrics and gynecology, we can improve surgical education and the quality of surgical care for our patients. The audience’s enthusiasm was undeniable, resulting in resounding applause and a standing ovation.

The afternoon was filled with unique opportunities for fellows, including: the Fellow’s Pelvic Research Network (FPRN) meeting, an incredibly informative panel on how to navigate the first year out of fellowship with Dr. Mireille Truong, Dr. Christine Foley, and Dr. Jon Pennycuff, and finally, the Mentorship Mingle.

The first day was concluded with the President’s Award Ceremony in which Dr. John DeLancey was presented with the illustrious President’s Award, followed by the President’s Reception with food, drinks, and lively conversation. Looking forward to day 2 of #SGS2022. @gynsurgery

Author and Disclosure Information

Dr. Wilcox is Fellow, Minimally Invasive Gynecologic Surgery. Yale New Haven Health Bridgeport Hospital, New Haven, Connecticut.

The author reports no financial relationships relevant to this article.

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Dr. Wilcox is Fellow, Minimally Invasive Gynecologic Surgery. Yale New Haven Health Bridgeport Hospital, New Haven, Connecticut.

The author reports no financial relationships relevant to this article.

 




 

Wednesday, March 30. Day 3 of SGS.

The final day of #SGS2022 began with the last round of oral and video presentations on topics including: the efficacy and safety of restrictive blood transfusion protocols in gynecologic surgical patients, restricted opioid use following midurethral sling procedures, and the efficacy of trigger point injections for myofascial pelvic pain. Next, the prestigious Distinguished Surgeon Award was presented to Dr. Jeffrey Cornella, professor of Obstetrics and Gynecology at Mayo Clinic College of Medicine, for his contributions to the field of gynecologic surgery.

This was followed by the passing of the presidential gavel from current SGS president Dr. Carl Zimmerman to incoming president Dr. Cheryl Iglesia, Director of Female Pelvic Medicine and Reconstructive Surgery at MedStar Washington Hospital Center, Washington DC, and Director of the National Center for Advanced Pelvic Surgery (NCAPS) at Medstar Health. Dr. Iglesia has been internationally and nationally recognized for her work in advancing the field of pelvic surgery and urogynecology through extensive research, clinical excellence, and support of medical education.

Needless to say, #SGS2022 was a huge success! While many of us are sad to leave San Antonio today, we are returning to our respective programs feeling motivated and rejuvenated. There is nothing more inspiring than spending time with such a highly committed group of physicians who strive to improve patient care through their excellent contributions to research and medical education. I am grateful for the new mentors, colleagues, and friends I have met at this meeting.

Thank you to the Society of Gynecologic Surgeons and OBG Management for giving me the opportunity to reflect on my experience at #SGS2022, as well as the companies that support the Fellows Scholar program.

I can’t wait to attend the 49th Annual Scientific Meeting in Tuscon, Arizona, in 2023!

Tuesday, March 29, 2022. Day 2 of SGS.

The second day of #SGS2022 began with several academic roundtables on a variety of topics including hysteroscopy, uterine-preserving prolapse surgeries, how to select patients for vaginal hysterectomy, and the role of minimally invasive surgery in transabdominal cerclage. The general session continued with more outstanding poster and video presentations that were followed by the annual presidential address. SGS president Dr. Carl Zimmerman spoke about the changing surgical landscape and SGS’s commitment to improving surgical education: “The women of America and the world deserve better.” He went on to announce the creation of a presidential task force on surgical training, whose members will include: Dr. Ted Anderson, Dr. Emily Weber LeBrun, and Dr. Mike Moen.

This year’s TeLinde Lecture was given by the executive director of the American College of Surgeons, Dr. Dr. Patricia Turner. Her talk was entitled, “Surgeons: More to Unite Us Than Divide Us.” Dr. Turner began by reminding us of the shared history between general surgery and gynecologic surgery. In fact, the American College of Surgeons was founded by gynecologist Dr. Franklin H. Martin. She went on to thoughtfully discuss the need to rethink surgical training and the way we assess surgical trainees. She highlighted the importance of collaboration between all surgical specialties to improve surgical education, improve outcomes, and advocate for patients. “In order to heal all, we have to have ALL surgeons at the table.”

Today’s general session was concluded with a panel discussion on “Operating Room Safety and Efficiency” in which Dr. Kenneth Catchpole, Dr. Teodor Grantcharov, and Dr. Jason Wright shared some interesting ideas on how we can improve patient care in the operating room. The afternoon continued with a number of social activities, providing an opportunity to enjoy the beautiful landscape of San Antonio, Texas, including: a tour of Eisenhower park, kayaking on the Guadelupe River, and the SGS golf tournament.

The fun continued into the evening at the annual “SGS’ Got Talent” in which participants could be spotted in cowboy hats, bandanas, and boots. The night was filled with food, drinks, laughter, and line dancing! #SGS2022

 

Monday, March 28, 2022. Day 1 of SGS.

“How do you become brave? How do you become an advocate? How do you make a change?” These are just some of the questions asked during our thought-provoking early morning session entitled, “Healthcare Inequity Awareness—A Conversation to Empower Providers and Enhance the Patient Experience” at this year’s annual scientific meeting of the Society of Gynecologic Surgeons #SGS2022. The panelists, which included Dr. Olivia Cardenas-Trowers, Dr. Maria Florian-Rodriguez, and Dr. Tristi Muir, emphasized the importance of acknowledging our own bias as physicians, as well as the role structural racism plays in the health care access and outcomes of our patients. We were reminded that “Diversity, Equity, Inclusion (aka DEI) is a journey. It is progress over time, not over night.”

Following the early morning panel, the 48th annual scientific meeting officially began with a brief welcome and recognition of new SGS members by current president Dr. Carl Zimmerman and scientific program committee chair Dr. Oz Harmanli. The rest of the morning session was filled with outstanding oral and video presentations on topics ranging from the role of oophorectomy in patients with breast cancer, creating simulation models to enhance medical education, and tips for navigating the altered retroperitoneum.

Next, the Mark D. Walters endowed lecture was given by Dr. Marta A. Crispens, entitled “Restructuring Gynecologic Surgical Education: It’s a Matter of Equity.” In her exceptionally powerful address, Dr. Crispens began by discussing the historical context in which the fields of obstetrics and gynecology were combined and comparing it to a shift in current practice toward a national decrease in number of hysterectomies and an increase in the complexity of surgical cases. She highlighted the well-studied fact that low-volume surgeons have higher complication rates and that many new ObGyn residency graduates perform only 3 to 4 hysterectomies annually during the first few years of practice. Finally, she asserted that, by separating the practices of obstetrics and gynecology, we can improve surgical education and the quality of surgical care for our patients. The audience’s enthusiasm was undeniable, resulting in resounding applause and a standing ovation.

The afternoon was filled with unique opportunities for fellows, including: the Fellow’s Pelvic Research Network (FPRN) meeting, an incredibly informative panel on how to navigate the first year out of fellowship with Dr. Mireille Truong, Dr. Christine Foley, and Dr. Jon Pennycuff, and finally, the Mentorship Mingle.

The first day was concluded with the President’s Award Ceremony in which Dr. John DeLancey was presented with the illustrious President’s Award, followed by the President’s Reception with food, drinks, and lively conversation. Looking forward to day 2 of #SGS2022. @gynsurgery

 




 

Wednesday, March 30. Day 3 of SGS.

The final day of #SGS2022 began with the last round of oral and video presentations on topics including: the efficacy and safety of restrictive blood transfusion protocols in gynecologic surgical patients, restricted opioid use following midurethral sling procedures, and the efficacy of trigger point injections for myofascial pelvic pain. Next, the prestigious Distinguished Surgeon Award was presented to Dr. Jeffrey Cornella, professor of Obstetrics and Gynecology at Mayo Clinic College of Medicine, for his contributions to the field of gynecologic surgery.

This was followed by the passing of the presidential gavel from current SGS president Dr. Carl Zimmerman to incoming president Dr. Cheryl Iglesia, Director of Female Pelvic Medicine and Reconstructive Surgery at MedStar Washington Hospital Center, Washington DC, and Director of the National Center for Advanced Pelvic Surgery (NCAPS) at Medstar Health. Dr. Iglesia has been internationally and nationally recognized for her work in advancing the field of pelvic surgery and urogynecology through extensive research, clinical excellence, and support of medical education.

Needless to say, #SGS2022 was a huge success! While many of us are sad to leave San Antonio today, we are returning to our respective programs feeling motivated and rejuvenated. There is nothing more inspiring than spending time with such a highly committed group of physicians who strive to improve patient care through their excellent contributions to research and medical education. I am grateful for the new mentors, colleagues, and friends I have met at this meeting.

Thank you to the Society of Gynecologic Surgeons and OBG Management for giving me the opportunity to reflect on my experience at #SGS2022, as well as the companies that support the Fellows Scholar program.

I can’t wait to attend the 49th Annual Scientific Meeting in Tuscon, Arizona, in 2023!

Tuesday, March 29, 2022. Day 2 of SGS.

The second day of #SGS2022 began with several academic roundtables on a variety of topics including hysteroscopy, uterine-preserving prolapse surgeries, how to select patients for vaginal hysterectomy, and the role of minimally invasive surgery in transabdominal cerclage. The general session continued with more outstanding poster and video presentations that were followed by the annual presidential address. SGS president Dr. Carl Zimmerman spoke about the changing surgical landscape and SGS’s commitment to improving surgical education: “The women of America and the world deserve better.” He went on to announce the creation of a presidential task force on surgical training, whose members will include: Dr. Ted Anderson, Dr. Emily Weber LeBrun, and Dr. Mike Moen.

This year’s TeLinde Lecture was given by the executive director of the American College of Surgeons, Dr. Dr. Patricia Turner. Her talk was entitled, “Surgeons: More to Unite Us Than Divide Us.” Dr. Turner began by reminding us of the shared history between general surgery and gynecologic surgery. In fact, the American College of Surgeons was founded by gynecologist Dr. Franklin H. Martin. She went on to thoughtfully discuss the need to rethink surgical training and the way we assess surgical trainees. She highlighted the importance of collaboration between all surgical specialties to improve surgical education, improve outcomes, and advocate for patients. “In order to heal all, we have to have ALL surgeons at the table.”

Today’s general session was concluded with a panel discussion on “Operating Room Safety and Efficiency” in which Dr. Kenneth Catchpole, Dr. Teodor Grantcharov, and Dr. Jason Wright shared some interesting ideas on how we can improve patient care in the operating room. The afternoon continued with a number of social activities, providing an opportunity to enjoy the beautiful landscape of San Antonio, Texas, including: a tour of Eisenhower park, kayaking on the Guadelupe River, and the SGS golf tournament.

The fun continued into the evening at the annual “SGS’ Got Talent” in which participants could be spotted in cowboy hats, bandanas, and boots. The night was filled with food, drinks, laughter, and line dancing! #SGS2022

 

Monday, March 28, 2022. Day 1 of SGS.

“How do you become brave? How do you become an advocate? How do you make a change?” These are just some of the questions asked during our thought-provoking early morning session entitled, “Healthcare Inequity Awareness—A Conversation to Empower Providers and Enhance the Patient Experience” at this year’s annual scientific meeting of the Society of Gynecologic Surgeons #SGS2022. The panelists, which included Dr. Olivia Cardenas-Trowers, Dr. Maria Florian-Rodriguez, and Dr. Tristi Muir, emphasized the importance of acknowledging our own bias as physicians, as well as the role structural racism plays in the health care access and outcomes of our patients. We were reminded that “Diversity, Equity, Inclusion (aka DEI) is a journey. It is progress over time, not over night.”

Following the early morning panel, the 48th annual scientific meeting officially began with a brief welcome and recognition of new SGS members by current president Dr. Carl Zimmerman and scientific program committee chair Dr. Oz Harmanli. The rest of the morning session was filled with outstanding oral and video presentations on topics ranging from the role of oophorectomy in patients with breast cancer, creating simulation models to enhance medical education, and tips for navigating the altered retroperitoneum.

Next, the Mark D. Walters endowed lecture was given by Dr. Marta A. Crispens, entitled “Restructuring Gynecologic Surgical Education: It’s a Matter of Equity.” In her exceptionally powerful address, Dr. Crispens began by discussing the historical context in which the fields of obstetrics and gynecology were combined and comparing it to a shift in current practice toward a national decrease in number of hysterectomies and an increase in the complexity of surgical cases. She highlighted the well-studied fact that low-volume surgeons have higher complication rates and that many new ObGyn residency graduates perform only 3 to 4 hysterectomies annually during the first few years of practice. Finally, she asserted that, by separating the practices of obstetrics and gynecology, we can improve surgical education and the quality of surgical care for our patients. The audience’s enthusiasm was undeniable, resulting in resounding applause and a standing ovation.

The afternoon was filled with unique opportunities for fellows, including: the Fellow’s Pelvic Research Network (FPRN) meeting, an incredibly informative panel on how to navigate the first year out of fellowship with Dr. Mireille Truong, Dr. Christine Foley, and Dr. Jon Pennycuff, and finally, the Mentorship Mingle.

The first day was concluded with the President’s Award Ceremony in which Dr. John DeLancey was presented with the illustrious President’s Award, followed by the President’s Reception with food, drinks, and lively conversation. Looking forward to day 2 of #SGS2022. @gynsurgery

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Avocados linked to lower cardiovascular risk

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Changed
Wed, 04/06/2022 - 11:26

A prospective study that followed more than 110,000 men and women for more than 30 years suggests that eating two servings of avocado a week reduces the risk of developing cardiovascular disease (CVD).

Researchers also found that replacing half a serving of butter, cheese, bacon, or other animal product with an equivalent amount of avocado was associated with up to 22% lower risk for CVD events.

tookapic/Pixabay


The findings add to evidence from other studies that has shown that avocados – which contain multiple nutrients, including fiber and unsaturated, healthy fats – have a positive impact on cardiovascular risk factors, first author Lorena S. Pacheco, PhD, a postdoctoral research fellow at the Harvard T.H. Chan School of Public Health, Boston, said in an interview.

“This research complements and expands on the current literature that we have on unsaturated fats and reduced risk of cardiovascular disease and also underscores how bad saturated fats, like butter, cheese, and processed meats are for the heart,” Dr. Pacheco said.

“For the most part, we have known that avocados are healthy, but I think this study, because of its numbers and duration, adds a little more substance to that knowledge now,” Dr. Pacheco said.

The findings were published online March 30 in the Journal of the American Heart Association.

Avocados are dense with nutrients. They are high in fat, but in monounsaturated fats (MUFAs) and polyunsaturated fats (PUFAs), which are viewed as good.

A medium-sized (136 g) Haas avocado, which is the most commonly consumed avocado in the United States, contains roughly 13 g of oleic acid. Avocados also contain dietary fiber, potassium, magnesium, phytonutrients, and bioactive compounds.

To see the effect avocados can have on cardiovascular health, Dr. Pacheco and her team turned to two large, long-running cohort studies: the Nurses’ Health Study (NHS), which began in the early 1970s with 68,786 women 30-55 years of age; and the Health Professionals Follow-up Study (HPFS), which ran from 1986 to 2016 and followed 41,701 men 40-75 years of age.

All were free of cancer, coronary heart disease, and stroke at study entry.

Participants completed a validated food frequency questionnaire at baseline and every 4 years thereafter. The questionnaire asked about the amount and frequency of avocado consumed. One serving equaled half an avocado, or half a cup.

In the early days of the NHS, very few participants said they ate avocados, but that began to change over the years, as the popularity of avocados grew.

“The NHS cohort was recruited back in the late ‘70s, and the health professionals cohort did not start until the mid 1980s, when avocado consumption was really low,” Dr. Pacheco said.

“What is beautiful about these cohorts is we are able to ask participants questions and then save the answers that they give us throughout the years to answer questions that might arise whenever the question is right. So it just depends on when you accrue enough data to ask those questions about potential cardiovascular benefit with avocados,” she said.

There were 9,185 coronary heart disease events and 5,290 strokes documented over 30 years of follow-up.

After adjustment for lifestyle and other dietary factors, those with a higher avocado intake – at least two servings per week – had a 16% lower risk for CVD (pooled hazard ratio, 0.84; 95% CI, 0.75-0.95) and a 21% lower risk for coronary heart disease (pooled HR, 0.79; 95% CI, 0.68-0.91).

No significant associations were seen for stroke, but this is because the study did not have sufficient numbers, Dr. Pacheco explained.

A statistical model also determined that replacing half a serving daily of margarine, butter, egg, yogurt, cheese, or processed meats, such as bacon, with the same amount of avocado was associated with a 16%-22% lower risk for CVD events.

“I want to emphasize that the study is an epidemiological observational study and cannot prove cause and effect,” Dr. Pacheco said.

“It’s not a clinical trial – it’s based on observational epidemiology – but we saw patterns in the model: Avocado consumption and substituting avocado for other unhealthy fats reduced the risk of having a cardiovascular event or coronary heart disease,” she said.

The findings are significant “because a healthy dietary pattern is the cornerstone for cardiovascular health; however, it can be difficult for many Americans to achieve and adhere to healthy eating patterns,” Cheryl Anderson, PhD, professor and dean of the Herbert Wertheim School of Public Health and Human Longevity Science at the University of California, San Diego, who is chair of the AHA’s Council on Epidemiology and Prevention, said in a statement.

“We desperately need strategies to improve intake of AHA-recommended healthy diets, such as the Mediterranean diet, that are rich in vegetables and fruits. Although no one food is the solution to routinely eating a healthy diet, this study is evidence that avocados have possible health benefits. This is promising because it is a food item that is popular, accessible, desirable, and easy to include in meals eaten by many Americans at home and in restaurants,” said Dr. Anderson, who was not part of the study.

Dr. Pacheco and Dr. Anderson report no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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A prospective study that followed more than 110,000 men and women for more than 30 years suggests that eating two servings of avocado a week reduces the risk of developing cardiovascular disease (CVD).

Researchers also found that replacing half a serving of butter, cheese, bacon, or other animal product with an equivalent amount of avocado was associated with up to 22% lower risk for CVD events.

tookapic/Pixabay


The findings add to evidence from other studies that has shown that avocados – which contain multiple nutrients, including fiber and unsaturated, healthy fats – have a positive impact on cardiovascular risk factors, first author Lorena S. Pacheco, PhD, a postdoctoral research fellow at the Harvard T.H. Chan School of Public Health, Boston, said in an interview.

“This research complements and expands on the current literature that we have on unsaturated fats and reduced risk of cardiovascular disease and also underscores how bad saturated fats, like butter, cheese, and processed meats are for the heart,” Dr. Pacheco said.

“For the most part, we have known that avocados are healthy, but I think this study, because of its numbers and duration, adds a little more substance to that knowledge now,” Dr. Pacheco said.

The findings were published online March 30 in the Journal of the American Heart Association.

Avocados are dense with nutrients. They are high in fat, but in monounsaturated fats (MUFAs) and polyunsaturated fats (PUFAs), which are viewed as good.

A medium-sized (136 g) Haas avocado, which is the most commonly consumed avocado in the United States, contains roughly 13 g of oleic acid. Avocados also contain dietary fiber, potassium, magnesium, phytonutrients, and bioactive compounds.

To see the effect avocados can have on cardiovascular health, Dr. Pacheco and her team turned to two large, long-running cohort studies: the Nurses’ Health Study (NHS), which began in the early 1970s with 68,786 women 30-55 years of age; and the Health Professionals Follow-up Study (HPFS), which ran from 1986 to 2016 and followed 41,701 men 40-75 years of age.

All were free of cancer, coronary heart disease, and stroke at study entry.

Participants completed a validated food frequency questionnaire at baseline and every 4 years thereafter. The questionnaire asked about the amount and frequency of avocado consumed. One serving equaled half an avocado, or half a cup.

In the early days of the NHS, very few participants said they ate avocados, but that began to change over the years, as the popularity of avocados grew.

“The NHS cohort was recruited back in the late ‘70s, and the health professionals cohort did not start until the mid 1980s, when avocado consumption was really low,” Dr. Pacheco said.

“What is beautiful about these cohorts is we are able to ask participants questions and then save the answers that they give us throughout the years to answer questions that might arise whenever the question is right. So it just depends on when you accrue enough data to ask those questions about potential cardiovascular benefit with avocados,” she said.

There were 9,185 coronary heart disease events and 5,290 strokes documented over 30 years of follow-up.

After adjustment for lifestyle and other dietary factors, those with a higher avocado intake – at least two servings per week – had a 16% lower risk for CVD (pooled hazard ratio, 0.84; 95% CI, 0.75-0.95) and a 21% lower risk for coronary heart disease (pooled HR, 0.79; 95% CI, 0.68-0.91).

No significant associations were seen for stroke, but this is because the study did not have sufficient numbers, Dr. Pacheco explained.

A statistical model also determined that replacing half a serving daily of margarine, butter, egg, yogurt, cheese, or processed meats, such as bacon, with the same amount of avocado was associated with a 16%-22% lower risk for CVD events.

“I want to emphasize that the study is an epidemiological observational study and cannot prove cause and effect,” Dr. Pacheco said.

“It’s not a clinical trial – it’s based on observational epidemiology – but we saw patterns in the model: Avocado consumption and substituting avocado for other unhealthy fats reduced the risk of having a cardiovascular event or coronary heart disease,” she said.

The findings are significant “because a healthy dietary pattern is the cornerstone for cardiovascular health; however, it can be difficult for many Americans to achieve and adhere to healthy eating patterns,” Cheryl Anderson, PhD, professor and dean of the Herbert Wertheim School of Public Health and Human Longevity Science at the University of California, San Diego, who is chair of the AHA’s Council on Epidemiology and Prevention, said in a statement.

“We desperately need strategies to improve intake of AHA-recommended healthy diets, such as the Mediterranean diet, that are rich in vegetables and fruits. Although no one food is the solution to routinely eating a healthy diet, this study is evidence that avocados have possible health benefits. This is promising because it is a food item that is popular, accessible, desirable, and easy to include in meals eaten by many Americans at home and in restaurants,” said Dr. Anderson, who was not part of the study.

Dr. Pacheco and Dr. Anderson report no relevant financial relationships.

A version of this article first appeared on Medscape.com.

A prospective study that followed more than 110,000 men and women for more than 30 years suggests that eating two servings of avocado a week reduces the risk of developing cardiovascular disease (CVD).

Researchers also found that replacing half a serving of butter, cheese, bacon, or other animal product with an equivalent amount of avocado was associated with up to 22% lower risk for CVD events.

tookapic/Pixabay


The findings add to evidence from other studies that has shown that avocados – which contain multiple nutrients, including fiber and unsaturated, healthy fats – have a positive impact on cardiovascular risk factors, first author Lorena S. Pacheco, PhD, a postdoctoral research fellow at the Harvard T.H. Chan School of Public Health, Boston, said in an interview.

“This research complements and expands on the current literature that we have on unsaturated fats and reduced risk of cardiovascular disease and also underscores how bad saturated fats, like butter, cheese, and processed meats are for the heart,” Dr. Pacheco said.

“For the most part, we have known that avocados are healthy, but I think this study, because of its numbers and duration, adds a little more substance to that knowledge now,” Dr. Pacheco said.

The findings were published online March 30 in the Journal of the American Heart Association.

Avocados are dense with nutrients. They are high in fat, but in monounsaturated fats (MUFAs) and polyunsaturated fats (PUFAs), which are viewed as good.

A medium-sized (136 g) Haas avocado, which is the most commonly consumed avocado in the United States, contains roughly 13 g of oleic acid. Avocados also contain dietary fiber, potassium, magnesium, phytonutrients, and bioactive compounds.

To see the effect avocados can have on cardiovascular health, Dr. Pacheco and her team turned to two large, long-running cohort studies: the Nurses’ Health Study (NHS), which began in the early 1970s with 68,786 women 30-55 years of age; and the Health Professionals Follow-up Study (HPFS), which ran from 1986 to 2016 and followed 41,701 men 40-75 years of age.

All were free of cancer, coronary heart disease, and stroke at study entry.

Participants completed a validated food frequency questionnaire at baseline and every 4 years thereafter. The questionnaire asked about the amount and frequency of avocado consumed. One serving equaled half an avocado, or half a cup.

In the early days of the NHS, very few participants said they ate avocados, but that began to change over the years, as the popularity of avocados grew.

“The NHS cohort was recruited back in the late ‘70s, and the health professionals cohort did not start until the mid 1980s, when avocado consumption was really low,” Dr. Pacheco said.

“What is beautiful about these cohorts is we are able to ask participants questions and then save the answers that they give us throughout the years to answer questions that might arise whenever the question is right. So it just depends on when you accrue enough data to ask those questions about potential cardiovascular benefit with avocados,” she said.

There were 9,185 coronary heart disease events and 5,290 strokes documented over 30 years of follow-up.

After adjustment for lifestyle and other dietary factors, those with a higher avocado intake – at least two servings per week – had a 16% lower risk for CVD (pooled hazard ratio, 0.84; 95% CI, 0.75-0.95) and a 21% lower risk for coronary heart disease (pooled HR, 0.79; 95% CI, 0.68-0.91).

No significant associations were seen for stroke, but this is because the study did not have sufficient numbers, Dr. Pacheco explained.

A statistical model also determined that replacing half a serving daily of margarine, butter, egg, yogurt, cheese, or processed meats, such as bacon, with the same amount of avocado was associated with a 16%-22% lower risk for CVD events.

“I want to emphasize that the study is an epidemiological observational study and cannot prove cause and effect,” Dr. Pacheco said.

“It’s not a clinical trial – it’s based on observational epidemiology – but we saw patterns in the model: Avocado consumption and substituting avocado for other unhealthy fats reduced the risk of having a cardiovascular event or coronary heart disease,” she said.

The findings are significant “because a healthy dietary pattern is the cornerstone for cardiovascular health; however, it can be difficult for many Americans to achieve and adhere to healthy eating patterns,” Cheryl Anderson, PhD, professor and dean of the Herbert Wertheim School of Public Health and Human Longevity Science at the University of California, San Diego, who is chair of the AHA’s Council on Epidemiology and Prevention, said in a statement.

“We desperately need strategies to improve intake of AHA-recommended healthy diets, such as the Mediterranean diet, that are rich in vegetables and fruits. Although no one food is the solution to routinely eating a healthy diet, this study is evidence that avocados have possible health benefits. This is promising because it is a food item that is popular, accessible, desirable, and easy to include in meals eaten by many Americans at home and in restaurants,” said Dr. Anderson, who was not part of the study.

Dr. Pacheco and Dr. Anderson report no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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Below the belt: sexual dysfunction overlooked in women with diabetes

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Tue, 05/03/2022 - 15:01

Among patients with diabetes, women are just as likely as men to suffer from sexual dysfunction, but their issues are overlooked, with the narrative focusing mainly on the impact of this issue on men, say experts.

Women with diabetes can experience reduced sexual desire, painful sex, reduced lubrication, and sexual distress, increasing the risk of depression, and such issues often go unnoticed despite treatments being available, said Kirsty Winkley, PhD, diabetes nurse and health psychologist, King’s College London.

There is also the “embarrassment factor” on the side of both the health care professional and the patient, she said in a session she chaired at the Diabetes UK Professional Conference 2022. Many women with diabetes “wouldn’t necessarily know” that their sexual dysfunction “is related to their diabetes,” she told this news organization.

For women, sexual health conversations are “often about contraception and pregnancy,” as well as menstrual disorders, genital infections, and hormone replacement therapy. “As health care professionals, you’re trained to focus on those things, and you’re not really considering there might be sexual dysfunction. If women aren’t aware that it’s related to diabetes, you’ve got the perfect situation where it goes under the radar.”

However, cochair Debbie Cooke, PhD, health psychologist at the University of Surrey in Guildford, explained that having psychotherapy embedded within the diabetes team and “integrated throughout the whole service” means that the problem can be identified and treatment offered.

The issue is that such integration is “very uncommon” and access needs to be improved, Dr. Cooke said in an interview.
 

Sexual dysfunction major predictor of depression in women

Jacqueline Fosbury, psychotherapy lead at Diabetes Care for You, Sussex Community NHS Foundation Trust, said that “intimate activity is clearly beneficial for emotional and physical health,” as it is associated with increased oxytocin release, the burning of calories, better immunity, and improved sleep.

Sexual dysfunction is common in people with diabetes, she noted. Poor glycemic control can “damage” blood vessels and nerves, causing reduced blood flow and loss of sensation in sexual organs.

recent study led by Belgian researchers found that among more than 750 adults with diabetes, 36% of men and 33% of women reported sexual dysfunction.

Sexual dysfunction was more common in women with type 1 diabetes, at 36%, compared with 26% for those with type 2 diabetes. The most commonly reported issues were decreased sexual desire, lubrication problems, orgasmic dysfunction, and pain. Body image problems and fear of hypoglycemia also affect sexuality and intimacy, leading to “sexual distress.”

Moreover, Ms. Fosbury said female sexual dysfunction has been identified as a “major predictor” of depression, which in turn reduces libido.

Treatments for women can include lubricants, local estrogen, and medications that are prescribed off-label, such as sildenafil. The same is true of testosterone therapy, which can be used to boost libido.
 

Couples therapy?

Next, Trudy Hannington, a psychosexual therapist with Leger Clinic, Doncaster, U.K., talked about how to use an integrated approach to address sexuality overall in people with diabetes.

She said this should be seen in a biopsychosocial context, with emphasis on the couple, on sensation and communication, and sexual growth, as well as changes in daily routines.

There should be a move away from “penetrative sex,” Ms. Hannington said, with the goal being “enjoyment, not orgasm.” Pleasure should be facilitated and the opportunities for “performance pressure and/or anxiety” reduced.

She discussed the case of Marie, a 27-year-old woman with type 1 diabetes who had been referred with painful sex and vaginal dryness. Marie had “never experienced orgasm,” despite being in a same-sex relationship with Emily.

Marie’s treatment involved a sexual growth program, to which Emily was invited, as well as recommendations to use lubricants, vibrators, and to try sildenafil.
 

Prioritize women

Ms. Fosbury reiterated that, in men, sexual dysfunction is “readily identified as a complication of diabetes” and is described as “traumatic” and “crucial to well-being.” It is also seen as “easy to treat” with medication, such as that for erectile dysfunction.

It is therefore crucial to talk to women with diabetes about possible sexual dysfunction, and the scene must be set before the appointment to explain that the subject will be broached. In addition, handouts and leaflets should be available for patients in the clinic so they can read about female sexual health and to lower the stigma around discussing it.

“Cultural stereotypes diminish the importance of female sexuality and prevent us from providing equal consideration to the sexual difficulties of our patients,” she concluded.

No funding declared. No relevant financial relationships declared.

A version of this article first appeared on Medscape.com.

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Among patients with diabetes, women are just as likely as men to suffer from sexual dysfunction, but their issues are overlooked, with the narrative focusing mainly on the impact of this issue on men, say experts.

Women with diabetes can experience reduced sexual desire, painful sex, reduced lubrication, and sexual distress, increasing the risk of depression, and such issues often go unnoticed despite treatments being available, said Kirsty Winkley, PhD, diabetes nurse and health psychologist, King’s College London.

There is also the “embarrassment factor” on the side of both the health care professional and the patient, she said in a session she chaired at the Diabetes UK Professional Conference 2022. Many women with diabetes “wouldn’t necessarily know” that their sexual dysfunction “is related to their diabetes,” she told this news organization.

For women, sexual health conversations are “often about contraception and pregnancy,” as well as menstrual disorders, genital infections, and hormone replacement therapy. “As health care professionals, you’re trained to focus on those things, and you’re not really considering there might be sexual dysfunction. If women aren’t aware that it’s related to diabetes, you’ve got the perfect situation where it goes under the radar.”

However, cochair Debbie Cooke, PhD, health psychologist at the University of Surrey in Guildford, explained that having psychotherapy embedded within the diabetes team and “integrated throughout the whole service” means that the problem can be identified and treatment offered.

The issue is that such integration is “very uncommon” and access needs to be improved, Dr. Cooke said in an interview.
 

Sexual dysfunction major predictor of depression in women

Jacqueline Fosbury, psychotherapy lead at Diabetes Care for You, Sussex Community NHS Foundation Trust, said that “intimate activity is clearly beneficial for emotional and physical health,” as it is associated with increased oxytocin release, the burning of calories, better immunity, and improved sleep.

Sexual dysfunction is common in people with diabetes, she noted. Poor glycemic control can “damage” blood vessels and nerves, causing reduced blood flow and loss of sensation in sexual organs.

recent study led by Belgian researchers found that among more than 750 adults with diabetes, 36% of men and 33% of women reported sexual dysfunction.

Sexual dysfunction was more common in women with type 1 diabetes, at 36%, compared with 26% for those with type 2 diabetes. The most commonly reported issues were decreased sexual desire, lubrication problems, orgasmic dysfunction, and pain. Body image problems and fear of hypoglycemia also affect sexuality and intimacy, leading to “sexual distress.”

Moreover, Ms. Fosbury said female sexual dysfunction has been identified as a “major predictor” of depression, which in turn reduces libido.

Treatments for women can include lubricants, local estrogen, and medications that are prescribed off-label, such as sildenafil. The same is true of testosterone therapy, which can be used to boost libido.
 

Couples therapy?

Next, Trudy Hannington, a psychosexual therapist with Leger Clinic, Doncaster, U.K., talked about how to use an integrated approach to address sexuality overall in people with diabetes.

She said this should be seen in a biopsychosocial context, with emphasis on the couple, on sensation and communication, and sexual growth, as well as changes in daily routines.

There should be a move away from “penetrative sex,” Ms. Hannington said, with the goal being “enjoyment, not orgasm.” Pleasure should be facilitated and the opportunities for “performance pressure and/or anxiety” reduced.

She discussed the case of Marie, a 27-year-old woman with type 1 diabetes who had been referred with painful sex and vaginal dryness. Marie had “never experienced orgasm,” despite being in a same-sex relationship with Emily.

Marie’s treatment involved a sexual growth program, to which Emily was invited, as well as recommendations to use lubricants, vibrators, and to try sildenafil.
 

Prioritize women

Ms. Fosbury reiterated that, in men, sexual dysfunction is “readily identified as a complication of diabetes” and is described as “traumatic” and “crucial to well-being.” It is also seen as “easy to treat” with medication, such as that for erectile dysfunction.

It is therefore crucial to talk to women with diabetes about possible sexual dysfunction, and the scene must be set before the appointment to explain that the subject will be broached. In addition, handouts and leaflets should be available for patients in the clinic so they can read about female sexual health and to lower the stigma around discussing it.

“Cultural stereotypes diminish the importance of female sexuality and prevent us from providing equal consideration to the sexual difficulties of our patients,” she concluded.

No funding declared. No relevant financial relationships declared.

A version of this article first appeared on Medscape.com.

Among patients with diabetes, women are just as likely as men to suffer from sexual dysfunction, but their issues are overlooked, with the narrative focusing mainly on the impact of this issue on men, say experts.

Women with diabetes can experience reduced sexual desire, painful sex, reduced lubrication, and sexual distress, increasing the risk of depression, and such issues often go unnoticed despite treatments being available, said Kirsty Winkley, PhD, diabetes nurse and health psychologist, King’s College London.

There is also the “embarrassment factor” on the side of both the health care professional and the patient, she said in a session she chaired at the Diabetes UK Professional Conference 2022. Many women with diabetes “wouldn’t necessarily know” that their sexual dysfunction “is related to their diabetes,” she told this news organization.

For women, sexual health conversations are “often about contraception and pregnancy,” as well as menstrual disorders, genital infections, and hormone replacement therapy. “As health care professionals, you’re trained to focus on those things, and you’re not really considering there might be sexual dysfunction. If women aren’t aware that it’s related to diabetes, you’ve got the perfect situation where it goes under the radar.”

However, cochair Debbie Cooke, PhD, health psychologist at the University of Surrey in Guildford, explained that having psychotherapy embedded within the diabetes team and “integrated throughout the whole service” means that the problem can be identified and treatment offered.

The issue is that such integration is “very uncommon” and access needs to be improved, Dr. Cooke said in an interview.
 

Sexual dysfunction major predictor of depression in women

Jacqueline Fosbury, psychotherapy lead at Diabetes Care for You, Sussex Community NHS Foundation Trust, said that “intimate activity is clearly beneficial for emotional and physical health,” as it is associated with increased oxytocin release, the burning of calories, better immunity, and improved sleep.

Sexual dysfunction is common in people with diabetes, she noted. Poor glycemic control can “damage” blood vessels and nerves, causing reduced blood flow and loss of sensation in sexual organs.

recent study led by Belgian researchers found that among more than 750 adults with diabetes, 36% of men and 33% of women reported sexual dysfunction.

Sexual dysfunction was more common in women with type 1 diabetes, at 36%, compared with 26% for those with type 2 diabetes. The most commonly reported issues were decreased sexual desire, lubrication problems, orgasmic dysfunction, and pain. Body image problems and fear of hypoglycemia also affect sexuality and intimacy, leading to “sexual distress.”

Moreover, Ms. Fosbury said female sexual dysfunction has been identified as a “major predictor” of depression, which in turn reduces libido.

Treatments for women can include lubricants, local estrogen, and medications that are prescribed off-label, such as sildenafil. The same is true of testosterone therapy, which can be used to boost libido.
 

Couples therapy?

Next, Trudy Hannington, a psychosexual therapist with Leger Clinic, Doncaster, U.K., talked about how to use an integrated approach to address sexuality overall in people with diabetes.

She said this should be seen in a biopsychosocial context, with emphasis on the couple, on sensation and communication, and sexual growth, as well as changes in daily routines.

There should be a move away from “penetrative sex,” Ms. Hannington said, with the goal being “enjoyment, not orgasm.” Pleasure should be facilitated and the opportunities for “performance pressure and/or anxiety” reduced.

She discussed the case of Marie, a 27-year-old woman with type 1 diabetes who had been referred with painful sex and vaginal dryness. Marie had “never experienced orgasm,” despite being in a same-sex relationship with Emily.

Marie’s treatment involved a sexual growth program, to which Emily was invited, as well as recommendations to use lubricants, vibrators, and to try sildenafil.
 

Prioritize women

Ms. Fosbury reiterated that, in men, sexual dysfunction is “readily identified as a complication of diabetes” and is described as “traumatic” and “crucial to well-being.” It is also seen as “easy to treat” with medication, such as that for erectile dysfunction.

It is therefore crucial to talk to women with diabetes about possible sexual dysfunction, and the scene must be set before the appointment to explain that the subject will be broached. In addition, handouts and leaflets should be available for patients in the clinic so they can read about female sexual health and to lower the stigma around discussing it.

“Cultural stereotypes diminish the importance of female sexuality and prevent us from providing equal consideration to the sexual difficulties of our patients,” she concluded.

No funding declared. No relevant financial relationships declared.

A version of this article first appeared on Medscape.com.

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Does evidence support benefits of omega-3 fatty acids?

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Fri, 04/01/2022 - 08:59

 

Dietary supplements that contain omega-3 fatty acids have been widely consumed for years. Researchers have been investigating the benefits of such preparations for cardiovascular, neurologic, and psychological conditions. A recently published study on omega-3 fatty acids and depression inspired neurologist Hans-Christoph Diener, MD, PhD, of the Institute for Epidemiology at the University Duisburg-Essen (Germany), to examine scientific publications concerning omega-3 fatty acids or fish-oil capsules in more detail.

Prevention of depression

Dr. Diener told the story of how he stumbled upon an interesting article in JAMA  in December 2021. It was about a placebo-controlled study that investigated whether omega-3 fatty acids can prevent incident depression.

As the study authors reported, treatment with omega-3 preparations in adults aged 50 years or older without clinically relevant symptoms of depression at study initiation was associated with a small but statistically significant increase in the risk for depression or clinically relevant symptoms of depression. There was no difference in mood scale value, however, over a median follow-up of 5.3 years. According to the study authors, these results did not support the administration of omega-3 preparations for the prevention of depression.

This study was, as Dr. Diener said, somewhat negative, but it did arouse his interest in questions such as what biological effects omega-3 fatty acids have and what is known “about this topic with regard to neurology,” he said. When reviewing the literature, he noticed that there “were association studies, i.e., studies that describe that the intake of omega-3 fatty acids may possibly be associated with a lower risk of certain diseases.”
 

Beginning with the Inuit

It all started “with observations of the Inuit [population] in Greenland and Alaska after World War II, because it was remarked upon that these people ate a lot of fish and seal meat and had a very low incidence of cardiovascular diseases.” Over the years, a large number of association studies have been published, which may have encouraged the assumption that omega-3 fatty acids have positive health effects on various conditions, such as cardiovascular diseases, hyperlipidemia, type 2 diabetes, various malignancies, cognitive impairments, Alzheimer’s disease, depression and anxiety disorders, heart failure, slipped disks, ADHD, symptoms of menopause, rheumatoid arthritis, asthma, periodontitis, epilepsy, chemotherapy tolerance, premenstrual syndrome, and nonalcoholic fatty liver disease.

Dr. Diener believes that the problem is that these are association studies. But association does not mean that there is a causal relationship.
 

Disappointing study results

On the contrary, the results from the randomized placebo-controlled studies are truly frustrating, according to the neurologist. A meta-analysis of the use of omega-3 fatty acids in cardiovascular diseases included 86 studies with over 162,000 patients. According to Dr. Diener, it did not reveal any benefit for overall and cardiovascular mortality, nor any benefit for the reduction of myocardial infarction and stroke.

The results did indicate a trend, however, for reduced mortality in coronary heart disease. Even so, the number needed to treat for this was 334, which means that 334 people would have to take omega-3 fatty acids for years to prevent one fatal cardiac event.

Aside from this study, Dr. Diener found six studies on Alzheimer’s disease and three studies on dementia with patient populations between 600 and 800. In these studies, too, a positive effect of omega-3 fatty acids could not be identified. Then he discovered another 31 placebo-controlled studies of omega-3 fatty acids for the treatment or prevention of depression and anxiety disorder. Despite including 50,000 patients, these studies also did not show any positive effect.

“I see a significant discrepancy between the promotion of omega-3 fatty acids, whether it’s on television, in the ‘yellow’ [journalism] press, or in advertisements, and the actual scientific evidence,” said Dr. Diener. “At least from a neurological perspective, there is no evidence that omega-3 fatty acids have any benefit. This is true for strokes, dementia, Alzheimer’s disease, depression, and anxiety disorders.”
 

Potential adverse effects

Omega-3 fatty acids also have potentially adverse effects. The VITAL Rhythm study recently provided evidence that, depending on the dose, preparations with omega-3 fatty acids may increase the risk for atrial fibrillation. As the authors wrote, the results do not support taking omega-3 fatty acids to prevent atrial fibrillation.

In 2019, the global market for omega-3 fatty acids reached a value of $4.1 billion. This value is expected to double by 2025, according to a comment by Gregory Curfman, MD, deputy editor of JAMA and lecturer in health care policy at Harvard Medical School, Boston.

As Dr. Curfman wrote, this impressive amount of expenditure shows how beloved these products are and how strongly many people believe that omega-3 fatty acids are beneficial for their health. It is therefore important to know the potential risks of such preparations. One such example for this would be the risk for atrial fibrillation.

According to Dr. Curfman, in the last 2 years, four randomized clinical studies have provided data on the risk for atrial fibrillation associated with omega-3 fatty acids. In the STRENGTH study, 13,078 high-risk patients with cardiovascular diseases were randomly assigned to one of two groups. The subjects received either a high dose (4 g/day) of a combination of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) or corn oil. After a median of 42 months, there was no significant difference between the two groups in the primary composite cardiovascular endpoint, but more frequent atrial fibrillation in the omega-3 fatty acid group, compared with the corn oil group (2.2% vs. 1.3%; hazard ratio, 1.69; 95% confidence interval, 1.29-2.21; P < .001).

In the REDUCE-IT study, 8179 subjects were randomly assigned to a high dose (4 g/day, as in STRENGTH) of an omega-3 fatty acid preparation consisting of a purified EPA (icosapent ethyl) or mineral oil. After a median observation period of 4.9 years, icosapent ethyl was associated with a relative reduction of the primary composite cardiovascular endpoint by 25%, compared with mineral oil. As in the STRENGTH study, this study found that the risk for atrial fibrillation associated with omega-3 fatty acids, compared with mineral oil, was significantly higher (5.3% vs. 3.9%; P = .003).

In a third study (OMEMI), as Dr. Curfman reported, 1027 elderly patients who had recently had a myocardial infarction were randomly assigned to receive either a median dose of 1.8 g/day of omega-3 fatty acids (a combination of EPA and DHA) or corn oil. After 2 years, there was no significant difference between the two groups in primary composite cardiovascular endpoints, but 7.2% of the patients taking omega-3 fatty acids developed atrial fibrillation. In the corn oil group, this proportion was 4% (HR, 1.84; 95% CI, 0.98-3.45; P = .06).

The data from the four studies together indicate a potential dose-dependent risk for atrial fibrillation associated with omega-3 fatty acids, according to Dr. Curfman. At a dose of 4.0 g/day, there is a highly significant risk increase (almost double). With a median dose of 1.8 g/day, the risk increase (HR, 1.84) did not reach statistical significance. At a daily standard dose of 840 mg/day, an increase in risk could not be determined.

Dr. Curfman’s recommendation is that patients who take, or want to take, preparations with omega-3 fatty acids be informed of the potential development of arrhythmia at higher dosages. These patients also should undergo cardiological monitoring.

A version of this article first appeared on Medscape.com.

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Dietary supplements that contain omega-3 fatty acids have been widely consumed for years. Researchers have been investigating the benefits of such preparations for cardiovascular, neurologic, and psychological conditions. A recently published study on omega-3 fatty acids and depression inspired neurologist Hans-Christoph Diener, MD, PhD, of the Institute for Epidemiology at the University Duisburg-Essen (Germany), to examine scientific publications concerning omega-3 fatty acids or fish-oil capsules in more detail.

Prevention of depression

Dr. Diener told the story of how he stumbled upon an interesting article in JAMA  in December 2021. It was about a placebo-controlled study that investigated whether omega-3 fatty acids can prevent incident depression.

As the study authors reported, treatment with omega-3 preparations in adults aged 50 years or older without clinically relevant symptoms of depression at study initiation was associated with a small but statistically significant increase in the risk for depression or clinically relevant symptoms of depression. There was no difference in mood scale value, however, over a median follow-up of 5.3 years. According to the study authors, these results did not support the administration of omega-3 preparations for the prevention of depression.

This study was, as Dr. Diener said, somewhat negative, but it did arouse his interest in questions such as what biological effects omega-3 fatty acids have and what is known “about this topic with regard to neurology,” he said. When reviewing the literature, he noticed that there “were association studies, i.e., studies that describe that the intake of omega-3 fatty acids may possibly be associated with a lower risk of certain diseases.”
 

Beginning with the Inuit

It all started “with observations of the Inuit [population] in Greenland and Alaska after World War II, because it was remarked upon that these people ate a lot of fish and seal meat and had a very low incidence of cardiovascular diseases.” Over the years, a large number of association studies have been published, which may have encouraged the assumption that omega-3 fatty acids have positive health effects on various conditions, such as cardiovascular diseases, hyperlipidemia, type 2 diabetes, various malignancies, cognitive impairments, Alzheimer’s disease, depression and anxiety disorders, heart failure, slipped disks, ADHD, symptoms of menopause, rheumatoid arthritis, asthma, periodontitis, epilepsy, chemotherapy tolerance, premenstrual syndrome, and nonalcoholic fatty liver disease.

Dr. Diener believes that the problem is that these are association studies. But association does not mean that there is a causal relationship.
 

Disappointing study results

On the contrary, the results from the randomized placebo-controlled studies are truly frustrating, according to the neurologist. A meta-analysis of the use of omega-3 fatty acids in cardiovascular diseases included 86 studies with over 162,000 patients. According to Dr. Diener, it did not reveal any benefit for overall and cardiovascular mortality, nor any benefit for the reduction of myocardial infarction and stroke.

The results did indicate a trend, however, for reduced mortality in coronary heart disease. Even so, the number needed to treat for this was 334, which means that 334 people would have to take omega-3 fatty acids for years to prevent one fatal cardiac event.

Aside from this study, Dr. Diener found six studies on Alzheimer’s disease and three studies on dementia with patient populations between 600 and 800. In these studies, too, a positive effect of omega-3 fatty acids could not be identified. Then he discovered another 31 placebo-controlled studies of omega-3 fatty acids for the treatment or prevention of depression and anxiety disorder. Despite including 50,000 patients, these studies also did not show any positive effect.

“I see a significant discrepancy between the promotion of omega-3 fatty acids, whether it’s on television, in the ‘yellow’ [journalism] press, or in advertisements, and the actual scientific evidence,” said Dr. Diener. “At least from a neurological perspective, there is no evidence that omega-3 fatty acids have any benefit. This is true for strokes, dementia, Alzheimer’s disease, depression, and anxiety disorders.”
 

Potential adverse effects

Omega-3 fatty acids also have potentially adverse effects. The VITAL Rhythm study recently provided evidence that, depending on the dose, preparations with omega-3 fatty acids may increase the risk for atrial fibrillation. As the authors wrote, the results do not support taking omega-3 fatty acids to prevent atrial fibrillation.

In 2019, the global market for omega-3 fatty acids reached a value of $4.1 billion. This value is expected to double by 2025, according to a comment by Gregory Curfman, MD, deputy editor of JAMA and lecturer in health care policy at Harvard Medical School, Boston.

As Dr. Curfman wrote, this impressive amount of expenditure shows how beloved these products are and how strongly many people believe that omega-3 fatty acids are beneficial for their health. It is therefore important to know the potential risks of such preparations. One such example for this would be the risk for atrial fibrillation.

According to Dr. Curfman, in the last 2 years, four randomized clinical studies have provided data on the risk for atrial fibrillation associated with omega-3 fatty acids. In the STRENGTH study, 13,078 high-risk patients with cardiovascular diseases were randomly assigned to one of two groups. The subjects received either a high dose (4 g/day) of a combination of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) or corn oil. After a median of 42 months, there was no significant difference between the two groups in the primary composite cardiovascular endpoint, but more frequent atrial fibrillation in the omega-3 fatty acid group, compared with the corn oil group (2.2% vs. 1.3%; hazard ratio, 1.69; 95% confidence interval, 1.29-2.21; P < .001).

In the REDUCE-IT study, 8179 subjects were randomly assigned to a high dose (4 g/day, as in STRENGTH) of an omega-3 fatty acid preparation consisting of a purified EPA (icosapent ethyl) or mineral oil. After a median observation period of 4.9 years, icosapent ethyl was associated with a relative reduction of the primary composite cardiovascular endpoint by 25%, compared with mineral oil. As in the STRENGTH study, this study found that the risk for atrial fibrillation associated with omega-3 fatty acids, compared with mineral oil, was significantly higher (5.3% vs. 3.9%; P = .003).

In a third study (OMEMI), as Dr. Curfman reported, 1027 elderly patients who had recently had a myocardial infarction were randomly assigned to receive either a median dose of 1.8 g/day of omega-3 fatty acids (a combination of EPA and DHA) or corn oil. After 2 years, there was no significant difference between the two groups in primary composite cardiovascular endpoints, but 7.2% of the patients taking omega-3 fatty acids developed atrial fibrillation. In the corn oil group, this proportion was 4% (HR, 1.84; 95% CI, 0.98-3.45; P = .06).

The data from the four studies together indicate a potential dose-dependent risk for atrial fibrillation associated with omega-3 fatty acids, according to Dr. Curfman. At a dose of 4.0 g/day, there is a highly significant risk increase (almost double). With a median dose of 1.8 g/day, the risk increase (HR, 1.84) did not reach statistical significance. At a daily standard dose of 840 mg/day, an increase in risk could not be determined.

Dr. Curfman’s recommendation is that patients who take, or want to take, preparations with omega-3 fatty acids be informed of the potential development of arrhythmia at higher dosages. These patients also should undergo cardiological monitoring.

A version of this article first appeared on Medscape.com.

 

Dietary supplements that contain omega-3 fatty acids have been widely consumed for years. Researchers have been investigating the benefits of such preparations for cardiovascular, neurologic, and psychological conditions. A recently published study on omega-3 fatty acids and depression inspired neurologist Hans-Christoph Diener, MD, PhD, of the Institute for Epidemiology at the University Duisburg-Essen (Germany), to examine scientific publications concerning omega-3 fatty acids or fish-oil capsules in more detail.

Prevention of depression

Dr. Diener told the story of how he stumbled upon an interesting article in JAMA  in December 2021. It was about a placebo-controlled study that investigated whether omega-3 fatty acids can prevent incident depression.

As the study authors reported, treatment with omega-3 preparations in adults aged 50 years or older without clinically relevant symptoms of depression at study initiation was associated with a small but statistically significant increase in the risk for depression or clinically relevant symptoms of depression. There was no difference in mood scale value, however, over a median follow-up of 5.3 years. According to the study authors, these results did not support the administration of omega-3 preparations for the prevention of depression.

This study was, as Dr. Diener said, somewhat negative, but it did arouse his interest in questions such as what biological effects omega-3 fatty acids have and what is known “about this topic with regard to neurology,” he said. When reviewing the literature, he noticed that there “were association studies, i.e., studies that describe that the intake of omega-3 fatty acids may possibly be associated with a lower risk of certain diseases.”
 

Beginning with the Inuit

It all started “with observations of the Inuit [population] in Greenland and Alaska after World War II, because it was remarked upon that these people ate a lot of fish and seal meat and had a very low incidence of cardiovascular diseases.” Over the years, a large number of association studies have been published, which may have encouraged the assumption that omega-3 fatty acids have positive health effects on various conditions, such as cardiovascular diseases, hyperlipidemia, type 2 diabetes, various malignancies, cognitive impairments, Alzheimer’s disease, depression and anxiety disorders, heart failure, slipped disks, ADHD, symptoms of menopause, rheumatoid arthritis, asthma, periodontitis, epilepsy, chemotherapy tolerance, premenstrual syndrome, and nonalcoholic fatty liver disease.

Dr. Diener believes that the problem is that these are association studies. But association does not mean that there is a causal relationship.
 

Disappointing study results

On the contrary, the results from the randomized placebo-controlled studies are truly frustrating, according to the neurologist. A meta-analysis of the use of omega-3 fatty acids in cardiovascular diseases included 86 studies with over 162,000 patients. According to Dr. Diener, it did not reveal any benefit for overall and cardiovascular mortality, nor any benefit for the reduction of myocardial infarction and stroke.

The results did indicate a trend, however, for reduced mortality in coronary heart disease. Even so, the number needed to treat for this was 334, which means that 334 people would have to take omega-3 fatty acids for years to prevent one fatal cardiac event.

Aside from this study, Dr. Diener found six studies on Alzheimer’s disease and three studies on dementia with patient populations between 600 and 800. In these studies, too, a positive effect of omega-3 fatty acids could not be identified. Then he discovered another 31 placebo-controlled studies of omega-3 fatty acids for the treatment or prevention of depression and anxiety disorder. Despite including 50,000 patients, these studies also did not show any positive effect.

“I see a significant discrepancy between the promotion of omega-3 fatty acids, whether it’s on television, in the ‘yellow’ [journalism] press, or in advertisements, and the actual scientific evidence,” said Dr. Diener. “At least from a neurological perspective, there is no evidence that omega-3 fatty acids have any benefit. This is true for strokes, dementia, Alzheimer’s disease, depression, and anxiety disorders.”
 

Potential adverse effects

Omega-3 fatty acids also have potentially adverse effects. The VITAL Rhythm study recently provided evidence that, depending on the dose, preparations with omega-3 fatty acids may increase the risk for atrial fibrillation. As the authors wrote, the results do not support taking omega-3 fatty acids to prevent atrial fibrillation.

In 2019, the global market for omega-3 fatty acids reached a value of $4.1 billion. This value is expected to double by 2025, according to a comment by Gregory Curfman, MD, deputy editor of JAMA and lecturer in health care policy at Harvard Medical School, Boston.

As Dr. Curfman wrote, this impressive amount of expenditure shows how beloved these products are and how strongly many people believe that omega-3 fatty acids are beneficial for their health. It is therefore important to know the potential risks of such preparations. One such example for this would be the risk for atrial fibrillation.

According to Dr. Curfman, in the last 2 years, four randomized clinical studies have provided data on the risk for atrial fibrillation associated with omega-3 fatty acids. In the STRENGTH study, 13,078 high-risk patients with cardiovascular diseases were randomly assigned to one of two groups. The subjects received either a high dose (4 g/day) of a combination of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) or corn oil. After a median of 42 months, there was no significant difference between the two groups in the primary composite cardiovascular endpoint, but more frequent atrial fibrillation in the omega-3 fatty acid group, compared with the corn oil group (2.2% vs. 1.3%; hazard ratio, 1.69; 95% confidence interval, 1.29-2.21; P < .001).

In the REDUCE-IT study, 8179 subjects were randomly assigned to a high dose (4 g/day, as in STRENGTH) of an omega-3 fatty acid preparation consisting of a purified EPA (icosapent ethyl) or mineral oil. After a median observation period of 4.9 years, icosapent ethyl was associated with a relative reduction of the primary composite cardiovascular endpoint by 25%, compared with mineral oil. As in the STRENGTH study, this study found that the risk for atrial fibrillation associated with omega-3 fatty acids, compared with mineral oil, was significantly higher (5.3% vs. 3.9%; P = .003).

In a third study (OMEMI), as Dr. Curfman reported, 1027 elderly patients who had recently had a myocardial infarction were randomly assigned to receive either a median dose of 1.8 g/day of omega-3 fatty acids (a combination of EPA and DHA) or corn oil. After 2 years, there was no significant difference between the two groups in primary composite cardiovascular endpoints, but 7.2% of the patients taking omega-3 fatty acids developed atrial fibrillation. In the corn oil group, this proportion was 4% (HR, 1.84; 95% CI, 0.98-3.45; P = .06).

The data from the four studies together indicate a potential dose-dependent risk for atrial fibrillation associated with omega-3 fatty acids, according to Dr. Curfman. At a dose of 4.0 g/day, there is a highly significant risk increase (almost double). With a median dose of 1.8 g/day, the risk increase (HR, 1.84) did not reach statistical significance. At a daily standard dose of 840 mg/day, an increase in risk could not be determined.

Dr. Curfman’s recommendation is that patients who take, or want to take, preparations with omega-3 fatty acids be informed of the potential development of arrhythmia at higher dosages. These patients also should undergo cardiological monitoring.

A version of this article first appeared on Medscape.com.

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