Health
Specific amount of nightly sleep may lower diabetes risk, researchers find
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Getting a certain amount of sleep could help ward off diabetes, a new study suggests.
A team of Chinese researchers studied how sleep duration on weekdays is associated with insulin resistance, a key risk factor for type 2 diabetes. The long-term observational study, held from 2009 to 2023, included about 25,000 participants.
The “sweet spot” for low insulin resistance was about seven hours and 18 minutes of sleep per night, found the research, which was published in BMJ Open Diabetes Research & Care.
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Large deviations from this benchmark — either too much or too little sleep — were associated with worse insulin sensitivity. Shorter sleep was linked with higher insulin resistance, while longer sleep had worse metabolic markers.
Getting extra “catch-up” sleep on the weekends did not make up for deficits during the week, the study found, as excessive sleep showed a risk of worsening glucose metabolism in some participants.
A new study suggests that getting just over seven hours of sleep per night could prevent diabetes. (iStock)
“These correlational findings suggest that sleep patterns, particularly weekend recovery sleep, may be relevant for metabolic regulation in diabetes and could inform considerations for healthcare professionals in managing patient care,” the researchers concluded in the study.
As this was an observational study, the findings show associations rather than cause and effect, they noted. Sleep duration was also self-reported, which could pose a limitation.
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The study did not measure sleep quality, which could play a role in outcomes. Other lifestyle factors, like diet, stress and shift work, could influence results as well.
Fox News Digital reached out to the study authors for comment.
‘Useful’ yet ‘too simplistic’
Fox News senior medical analyst Dr. Marc Siegel said the study produced “useful information.”
“We have long known that there is an association between sleep and insulin resistance,” Siegel, who was not involved in the research, told Fox News Digital. “This is because the restorative aspect of sleep helps to regulate metabolic function and hormones, and also decrease inflammation.”
More than 40 million Americans — about 12% of the population — have diabetes, according to 2026 CDC data. (iStock)
“But as this study shows, both too much and too little sleep may lead to more insulin resistance (and diabetes) via metabolic dysregulation,” he added.
Dr. Aaron Pinkhasov, a board-certified psychiatrist and chair of the department of psychiatry at NYU Grossman Long Island School of Medicine, said the concept of sleeping a certain number of hours to prevent diabetes is “too simplistic.”
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“Sleep is only one part of metabolic health, along with genetics, body weight, diet, physical activity and stress,” the sleep expert, who also wasn’t part of the study, told Fox News Digital.
“Sleep is only one part of metabolic health, along with genetics, body weight, diet, physical activity and stress,” an expert said. (iStock)
“The study provides only a snapshot in time, so it cannot prove that sleep duration actually causes insulin resistance,” he went on. “It is also possible that underlying problems — such as metabolic illness, pain, depression or low activity — lead people to sleep longer or shorter.”
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The “practical message” for adults, according to Pinkhasov, is to aim for about seven to nine hours of quality sleep on a regular schedule, as part of an “overall strategy to reduce diabetes risk.”
“The study strengthens the idea that sleep should be considered as important as diet and exercise when discussing diabetes risk,” he added. “The key message is not the exact number of hours, but that both chronic sleep deprivation and irregular sleep patterns are associated with higher insulin resistance.”
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More than 40 million Americans — about 12% of the population — have diabetes, according to 2026 CDC data. About 11 million (27.6%) of cases are undiagnosed, and more than 115 million U.S. adults have prediabetes.
Health
Leading oncologist reveals 6 habits that could promote longevity and reduce your risk of chronic illness
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The health and wellness information put out on television, podcasts, social media, websites and elsewhere can be overwhelming, but a leading oncologist and University of Pennsylvania bioethicist argues healthy aging can be simplified into six evidence-based rules.
“Don’t be a schmuck” is the first principle offered by Dr. Ezekiel Emanuel in his book, “Eat Your Ice Cream: Six Simple Rules for a Long and Healthy Life.”
“Don’t be stupid,” Emanuel said recently on the ZOE Science & Nutrition podcast. “This is something my father used to say to his three sons very commonly when we were doing something dumb.”
Emanuel’s brothers are former Chicago Mayor Rahm Emanuel and powerful talent agent Ari Emanuel.
Emanuel argued that obviously dangerous activities, such as BASE jumping, climbing Mount Everest and smoking and vaping are examples of being a schmuck because they carry a high risk of death.
His other principles for living longer and reducing disease risk include prioritizing an active social life, staying mentally active with new hobbies and opportunities to learn, limiting processed and sugary foods and drinks without being overly restrictive, engaging in moderate exercise and getting proper sleep.
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“Our entire brain is constructed around social interactions, and it does way more for us,” Emanuel said. “We know that if you’re lonely, socially isolated, you dramatically increase your risks of mortality.
“More than 3 million people worldwide have been enrolled in studies about social interaction and longevity,” he added. “And the socially isolated, people who have zero or one friends, don’t see friends a lot. Those people are much more likely to die in the next few years.”
A leading health expert argues that loneliness poses health risks comparable to smoking cigarettes. (iStock)
According to Emanuel, being socially isolated or lonely “is the equivalent of smoking 15 cigarettes a day.”
Both close relationships and casual social interactions contribute to well-being, he said.
Emanuel explained why he thinks much of society’s obsession with wellness is toxic and what he labels as “the wellness industrial complex” gets wrong.
Dr. Ezekiel Emanuel said the wellness industrial complex’s obsession with wellness is toxic. (iStock)
“You should not be obsessed about wellness,” Emanuel said on the podcast. “You should be obsessed about living a meaningful life. That’s really what’s important, and wellness is only a means to an end.”
Much of the wellness industry focuses on self-denial, which is misguided, said Emanuel.
“Biology for humans is about homeostasis, the balance between one extreme and another,” he said.
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Society’s current obsession with wellness is nothing new, he added.
“Wellness is a response to a topsy-turvy world, a lot of uncertainty about what the future’s bringing, people feeling like their life’s out of control,” he said.
“And, so, wellness is a response. This is something I can control — what I eat, the vaccines I get, the exercise — and I think that’s what we have today. This is a lot about self-control transmuted into wellness as the outlet.”
Dr. Ezekiel Emanuel said he is a teetotaler himself but says he serves alcohol at his dinner parties because he believes it acts as a social lubricant. (iStock)
The body thrives when it doesn’t take dieting or exercising to extremes, Emanuel said. He is a teetotaler himself, but his wife enjoys cocktails, and when they have a dinner party, they serve alcohol.
Don’t drink alone or use alcohol to drown your sorrows or avoid dealing with them, Emanuel advised.
The ZOE podcast asked Emanuel to advise listeners who aren’t following any of his six rules what to try first.
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“Dinner parties,” he said. “You cook, and you both have good, healthy food because you’ve cooked it. Ynd you’ve challenged your mind ‘cause you’re adding a new recipe, and you’re figuring out how to do it right.
Hosting a dinner party is a healthy activity people should engage in, a health expert says. (iStock)
“You have people over, so you’ve got social connections,” he continued. “You’re challenging your mind with a good conversation. And when it’s all over, you go out for a walk so you get some physical activity.
“This is like you’ve done almost everything in wellness. All of those elements are key to wellness, and it’s the kind of thing you can do, you know, once a weekend or … And you’ll be happier.”
Health
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Health
Weight-loss drugs may improve job prospects and dating odds for one group
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A recent study suggests GLP-1-related weight loss may improve some women’s relationships and employment status.
Rebecca Diamond, professor of economics at Harvard University in Boston, independently published research that found an association between weight-loss medications and a change in women’s social and economic outcomes.
Diamond used the Understanding America Study, a panel survey from the University of Southern California, to compare women who started GLP-1s for weight loss to those who wanted to start but had not yet done so.
DR OZ LINKS OBESITY TO CHRONIC DISEASE SURGE, SAYS GLP-1S CAN ‘JUMPSTART’ BETTER HEALTH
The comparison considered body mass, health, income, employment, partnership status and well-being before treatment.
The study focused on women because they are more likely to use GLP-1s than men. It excluded people taking GLP-1 drugs for diabetes, as their use is driven by a medical condition rather than weight-loss demand.
Women who began GLP-1s for weight loss and were successful in losing weight experienced changes in relationship and employment status, according to the findings. (iStock)
Women who successfully lost weight with GLP-1 medications experienced changes across several life outcomes, including employment, marriage and cohabitation, according to the study.
Marriage and cohabitation rose 29% for single women after about 18 months.
DIVORCEES AND WIDOWS SHARE CONCERNING MENTAL HEALTH TRAIT, RESEARCHERS FIND
Among women who were not employed at the start of the study, job prospects increased by 27% after the same amount of time. Those who were already employed did not display any clear upward progress in their careers, however.
Diamond argues that these findings suggest part of the “female obesity penalty” comes from how people are judged when being matched up, either in a new relationship or a new job.
The findings say “more about societal bias than about the medication itself,” a doctor suggested. (iStock)
Dr. Peter Balazs, MD, a hormone and weight-loss specialist from New York and New Jersey, commented on these findings.
“The effects showed up during ‘new match’ situations, such as job interviews or dating, and not within existing jobs or relationships,” Balazs, who was not involved in the study, told Fox News Digital. “This says more about societal bias than it does about the medication itself.”
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Balazs said his patients often report feeling more confident and “visible” after weight loss, which could translate into better interview performance and networking.
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“Weight loss (commonly) improves confidence, which opens new business and relationship opportunities,” he went on. “Weight loss has hormonal impacts as well, so the normalization of hormones and the profound metabolic and psychological relief that comes with it can be a factor, too.”
“Weight loss (commonly) improves confidence, which opens new business and relationship opportunities,” an expert said. (iStock)
Dr. Krishna Vyas, a plastic surgeon at Blechman Plastic Surgery in New York, told Fox News Digital in a separate interview that many patients seek breast lifts or body contouring after significant GLP-1 weight loss, after which they find themselves “re-engaging with life.”
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“That confidence effect is real in the exam room,” said the surgeon, who also was not involved in the research. “This study, however, showed no clear improvement in depression, loneliness or life satisfaction, even as marriage and employment rates climbed dramatically.”
“The opportunities opened, yet the women didn’t report feeling better, which suggests it was largely the gatekeepers who changed, not the women.”
Potential limitations
Because this was an observational study rather than a randomized clinical trial, it could only show an association — not cause and effect. The findings are also considered preliminary because the paper has not yet been peer-reviewed, the author acknowledged.
“Additionally, since the study only looked at women, that introduces another layer of potential bias,” Balazs noted. “I’d be interested to see whether the findings would be the same if the study included men or compared them directly.”
“Weight loss has hormonal impacts as well, so the normalization of hormones and the profound metabolic and psychological relief that comes with it can be a factor, too,” an expert said. (iStock)
Another limitation is that the information from the individuals studied was self-reported, the expert noted.
The researchers were also unable to determine whether people who found new jobs were earning more money.
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“Additionally, even though GLP-1 users appeared to have better outcomes on paper, they did not report greater overall life satisfaction,” Balazs added. “That raises important questions about whether these external changes translate into meaningful improvements in well-being.”
Fox News Digital reached out to the study researcher and multiple human resources organizations requesting comment.
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