Health
Men face higher cancer risk with this specific body fat measurement
Obesity has long been established as a risk factor for cancer, particularly when it’s stored in certain areas of the body.
Now, new research suggests that a larger waist circumference is a bigger risk factor than body mass index (BMI) for obesity-related cancers — but only for men, not for women.
The findings, which were published in the Journal of the National Cancer Institute, will be presented in May at the European Congress on Obesity in Malaga, Spain.
BMI IS WRONG WAY TO MEASURE OBESITY, RESEARCHERS SAY
The study was led by Dr. Ming Sun, Dr. Josef Fritz and Dr. Tanja Stocks from Lund University in Sweden.
New research suggests that a larger waist circumference is a bigger risk factor than body mass index for obesity-related cancers — but only for men, not for women. (iStock)
The researchers analyzed data from 340,000 Swedish people averaging 51 years of age whose BMI and waist circumference assessments were performed between 1981 and 2019, according to a press release.
They then compared those statistics to cancer diagnoses pulled from the Swedish Cancer Register.
‘HIDDEN’ FAT COULD PREDICT ALZHEIMER’S DISEASE UP TO 20 YEARS BEFORE SYMPTOMS, RESEARCH FINDS
Over a period of 14 years, there were 18,185 diagnoses of obesity-related cancers among the patients in the study.
For men, an increase in waist circumference of around 11 cm resulted in a 25% higher risk of obesity-related cancer.
This was a bigger risk factor than having an increased BMI, which increased the chances by 19%.
For men, an increase in waist circumference of around 11 cm resulted in a 25% higher risk of obesity-related cancer. (iStock)
For women, an increase of about 12 cm in waist circumference and an increase in BMI were both linked to a 13% greater cancer risk, the study found.
Obesity-related cancers include cancers of the oesophagus (adenocarcinoma), gastric (cardia), colon, rectum, liver/intrahepatic bile ducts, gallbladder, pancreas, breast (postmenopausal), endometrium, ovary, renal cell carcinoma, meningioma, thyroid and multiple myeloma, the release stated.
“BMI is a measure of body size, but does not provide information on fat distribution, whereas waist circumference is a proxy more closely related to abdominal adiposity.”
Overall, the researchers found waist circumference to be a more accurate cancer predictor than BMI.
“BMI is a measure of body size, but does not provide information on fat distribution, whereas waist circumference is a proxy more closely related to abdominal adiposity,” they wrote.
“This distinction is crucial because visceral fat, which accumulates around the abdominal organs, is more metabolically active and has been implicated in adverse health outcomes, including insulin resistance, inflammation and abnormal blood fat levels. Consequently, individuals with similar BMIs may have distinct cancer risks due to differences in fat distribution.”
Why the difference between men and women?
One potential reason for the gender discrepancy, according to the researchers, is that men are more likely to store fat viscerally (in the belly), while women generally accumulate more subcutaneous fat (under the skin) and peripheral fat (in the arms and legs).
ALZHEIMER’S AND PARKINSON’S RISK IS HIGHER FOR PEOPLE WITH BODY FAT IN TWO SPECIFIC AREAS
“Consequently, waist circumference is a more accurate measure of visceral fat in men than in women,” the researchers wrote.
“This may make waist circumference a stronger risk factor of cancer in men, and explain why waist circumference adds risk information beyond that conveyed by BMI in men, but not women.”
The researchers suggested that combining hip circumference with waist circumference in women could give a more accurate estimation of visceral fat. (iStock)
Excess body fat is also linked to higher insulin levels in men than in women, the researchers noted, which could be a factor in waist circumference being more strongly linked to men’s cancer risk.
“The divergence in how waist circumference and BMI relate to cancer risk between men and women underscores the complexity of the impact of adiposity (excess body fat) on cancer development,” the researchers wrote.
“It suggests that considering biological and physiological differences between the sexes might be helpful when assessing cancer risk. Further research is needed to explore these sex differences.”
They also suggested that combining hip circumference with waist circumference in women could give a more accurate estimation of visceral fat.
“Waist circumference is a more accurate measure of visceral fat in men than in women,” the researchers wrote. (iStock)
Dr. Marc Siegel, clinical professor of medicine at NYU Langone Health and Fox News senior medical analyst, was not involved in the study, but reinforced that BMI is a “good indicator of obesity, but is not the only one.”
“Belly fat contains a lot of the inflammatory chemicals that act as carcinogens.”
“Obesity leads to inflammation, and inflammation correlates with many kinds of cancer, including breast and prostate and cancers of the gastrointestinal tract,” he told Fox News Digital.
“It is not surprising that waist circumference in men could be a more precise indicator if measured properly, because belly fat contains a lot of the inflammatory chemicals that act as carcinogens,” the doctor noted.
Obesity-related cancers include cancers of the oesophagus (adenocarcinoma), gastric (cardia), colon, rectum, liver/intrahepatic bile ducts, gallbladder, pancreas, breast (postmenopausal), endometrium, ovary, renal cell carcinoma, meningioma, thyroid and multiple myeloma. (American Cancer Society/Getty Images)
For women, where fat distribution is somewhat different, Siegel agrees that it “makes sense” to consider both waist and hip circumference, as the Swedish study suggests.
“The study looks at over 300,000 people and is an important new reference, but it is observational, so it shows an association, but not proof,” the doctor added.
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Dr. Brett Osborn, a Florida neurosurgeon and longevity expert, also detailed the different ways in which men and women store fat.
“While women accumulate more subcutaneous fat — on the hips, thighs and buttocks — men pack it around the waist, deep inside the abdomen,” Osborn, who was not involved in the study, told Fox News Digital.
“This is visceral fat, and it’s metabolically toxic. It’s not just sitting there. It’s active, like a gland, secreting inflammatory chemicals (cytokines), raising insulin levels, disrupting hormones and laying the groundwork for cancer cell growth.”
Strength training three times per week is ideal, one doctor advised, adding, “Resistance training reduces visceral fat and inflammation.” (iStock)
Osborn reiterated that BMI is limited in its ability to accurately measure excess fat.
“First, BMI doesn’t factor in muscle mass, so a short, stocky individual with a low body fat percentage may be categorized as overweight or obese, when in fact quite the opposite is true,” he said.
“Second, BMI doesn’t tell you where the body fat is, and as it turns out, that’s what’s critical — at least in men.”
Minimizing risk
To reduce cancer risk, Osborn recommends that men measure their waistlines to ensure they’re in a healthy range. People can also track their visceral fat score on a medical-grade anthropometry scale, he said.
“Understand that belly fat isn’t just cosmetic — it’s carcinogenic.”
“Anything above 40 inches (102 cm) is a red flag,” he told Fox News Digital.
Strength training three times per week is ideal, the doctor advised, adding, “Resistance training reduces visceral fat and inflammation.”
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Proper nutrition is also important, he said. “Eat like your life depends on it — because it does. Stop feeding your cancer risk.”
“Understand that belly fat isn’t just cosmetic — it’s carcinogenic,” Osborn added. “You may not feel it now, but the clock is ticking. Visceral fat is silent, aggressive and deadly — and it’s doing damage even if your BMI is ‘normal.’”
Health
Brain Health Challenge: Doctor Appointments for Your Mind and Body
Congratulations, you’ve reached the final day of the Brain Health Challenge! Today, we’re asking you to do a few things that might feel a bit out of left field — like getting your blood pressure checked.
No, it isn’t as fun as playing Pips, but experts say it’s one of the most important things you can do for your brain. That’s because heart health and brain health are intrinsically linked.
High blood pressure, in particular, can damage brain cells, and it’s a significant risk factor for stroke and dementia. When blood pressure is too high, it places stress on the walls of arteries in the brain. Over time, that added stress can cause the blood vessel walls to thicken, obstructing blood flow. In other cases, the increased pressure causes the artery walls to thin and leak blood into the brain.
These changes to the blood vessels can sometimes cause a large stroke to occur. More commonly, the damage leads to micro-strokes and micro-hemorrhages, which cause fewer immediate problems and often go unnoticed. But if someone has hypertension for years or decades, these injuries can build up, and the person may start to experience cognitive impairment.
High blood pressure “is known as a silent killer for lots of reasons,” said Dr. Shyam Prabhakaran, the chair of neurology at the University of Chicago. “It doesn’t cause you any symptoms until it does.”
Because the damage accumulates over many years, experts say that managing blood pressure in midlife matters most for brain health. Hypertension can be addressed with medication or lifestyle changes, as directed by your doctor. But the first thing you need to do is know your numbers. If your blood pressure comes back higher than 120/80, it’s important to take it seriously, Dr. Prabhakaran said.
While you’re at it, there are a few other aspects of your physical health that you should check on.
Your eyes and ears are two of them. Hearing and vision loss have both been shown to increase the risk of dementia. Experts think that with less sensory information coming in to stimulate the brain, the regions that process hearing and vision can start to atrophy. What’s more, people with sensory loss often withdraw or are left out of social interactions, further depriving them of cognitive stimulation.
Oral health can also affect your brain health. Research has found a connection between regular flossing and reduced odds of having a stroke. That may be because good oral health can help to reduce inflammation in the body. The bacteria that cause gum disease have also been tied to an increased risk of Alzheimer’s.
And have you gotten your shingles vaccine? There is mounting evidence that it’s a powerful weapon for protecting against dementia. One study found that it lowered people’s odds of developing the condition by as much as 20 percent.
To wrap up this challenge, we want you to schedule a few medical appointments that benefit your brain, as well as your body.
After five days of feeding, exercising and challenging your brain, you are well on your way to better cognitive health. Thanks for joining me this week, and keep up the good habits!
Health
Health experts react as Andrew Huberman backs Trump admin’s new food pyramid
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The Trump administration has taken a new approach to the food pyramid.
The Department of Health and Human Services (HHS) announced new guidelines on Wednesday with an updated, inverted pyramid. The top of the pyramid, which is now the wider part of the structure, is built on meat, fats, fruits and vegetables, while whole grains are at the narrow bottom.
This follows HHS Secretary Robert F. Kennedy Jr.’s mission to “Make America Healthy Again” (MAHA), aimed at addressing chronic disease, childhood illnesses and ultraprocessed foods.
DOCTORS WARN SOME POPULAR FOODS AND DRINKS COULD BE SECRETLY SABOTAGING MEN’S TESTOSTERONE LEVELS
“The new guidelines recognize that whole, nutrient-dense food is the most effective path to better health and lower health care costs,” Kennedy said during a press briefing in Washington, D.C.
“Protein and healthy fats are essential, and were wrongly discouraged in prior dietary guidelines. We are ending the war on saturated fats.”
The Trump administration announces the 2025-2030 Dietary Guidelines for Americans, putting “real food” back at the center of health. (realfood.gov)
The HHS secretary rallied against refined carbohydrates, food additives and added sugar, highlighting the health risks associated with sugar-sweetened beverages.
Kennedy’s main message to Americans was to “eat real food.”
TRUMP ADMIN’S NEW NUTRITION GUIDELINES TARGET ULTRA-PROCESSED FOODS, EASE UP ON RED MEAT AND SATURATED FATS
The announcement triggered reactions from top health and wellness voices, including Stanford neuroscientist Dr. Andrew Huberman, host of the “Huberman Lab” podcast.
In a post on X, Huberman shared the White House’s graphic of the new pyramid, praising the decisions that were made.
“Oatmeal (and I think that’s rice and sourdough) made the cut!” he commented. “In all seriousness, assuming overall calories are kept in check and people exercise & get sun(day)light, this looks spot on.”
He added, “Maybe up the veggies a bit, add low-sugar fermented foods like sauerkraut & this is great.”
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Huberman said in a thread on the same post that Americans “don’t have to eat all the foods” shown in the diagram.
“You won’t see me drinking milk or eating shrimp,” he said. “Nothing against shrimp, I just don’t like the taste. Aversion to crustaceans.”
“Maybe up the veggies a bit, add low-sugar fermented foods like sauerkraut & this is great,” Huberman commented on X. (Chance Yeh/Getty Images for HubSpot; iStock)
The new guidelines received praise from other major health figures, including former FDA commissioner Dr. David Kessler.
“There should be broad agreement that eating more whole foods and reducing highly processed carbohydrates is a major advance in how we approach diet and health,” Kessler told The Associated Press.
“Protein and healthy fats are essential, and were wrongly discouraged in prior dietary guidelines.”
Dr. Bobby Mukkamala, president of the American Medical Association, shared in a statement that these guidelines “affirm that food is medicine and offer clear direction patients and physicians can use to improve health.”
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“The American Medical Association applauds the Administration’s new Dietary Guidelines for spotlighting the highly processed foods, sugar-sweetened beverages and excess sodium that fuel heart disease, diabetes, obesity and other chronic illnesses,” Mukkamala wrote.
The American Medical Association applauded the HHS for its updated nutrition guidelines. (iStock)
But not all feedback was positive.
Some people expressed concern about prioritizing red meat and dairy, while calling for the limitation of saturated fat.
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Neal Barnard, president of the Physicians Committee for Responsible Medicine, shared in a reaction to STAT that while the guidelines “do have one or two good points, emphasizing fruits and vegetables and limiting alcohol,” the guidelines are “for the most part a strong reflection of industry influence.”
Christopher Gardner, a nutrition expert at Stanford University, also spoke out against the new guidelines, as reported by NPR.
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“I’m very disappointed in the new pyramid that features red meat and saturated fat sources at the very top, as if that’s something to prioritize. It does go against decades and decades of evidence and research,” said Gardner, who was a member of the Dietary Guidelines Advisory Committee.
Fox News Digital’s Rachel Wolf, as well as Alexandria Hoff of Fox News, contributed reporting.
Health
Matt Damon’s Gluten-Free Diet Helped Him Lose 18 Pounds
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