Fitness News

November 30, 2025

Top Headlines

Scientists Find a Hidden Obesity Trigger in Soybean Oil

Nov. 30, 2025 Researchers at UC Riverside have uncovered why soybean oil, one of America's most widely consumed ingredients, drives significant weight gain—at least in mice. The findings point not to the oil itself but to the fat-derived molecules it produces ...

This Simple Warm-up Trick Instantly Boosts Speed and Power

Nov. 27, 2025 Warming up significantly improves muscle performance, particularly speed and power, by increasing muscle temperature. Both passive heat methods and light exercise warm-ups work, but mimicking the actual workout movements can offer extra benefits. ...

Your Body May Already Have a Molecule That Helps Fight Alzheimer’s

Nov. 27, 2025 Spermine, a small but powerful molecule in the body, helps neutralize harmful protein accumulations linked to Alzheimer’s and Parkinson’s. It encourages these misfolded proteins to gather into manageable clumps that cells can more efficiently ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver strain and elevated neurofilament light chain, a ...

The Body Trait That Helps Keep Your Brain Young

Nov. 25, 2025 Scientists discovered that more muscle and less hidden abdominal fat are linked to a younger biological brain age. Deep visceral fat appeared to accelerate brain aging, while muscle mass offered a protective ...

Cocoa and Tea May Protect Your Heart from the Hidden Damage of Sitting

Nov. 25, 2025 Scientists found that high-flavanol foods can prevent the decline in blood vessel function that occurs after prolonged sitting. Even physically fit men weren’t protected unless they had consumed flavanols beforehand. A cocoa drink rich in these ...

Immune Cells Use a Surprising Trick to Heal Muscle Faster

Nov. 24, 2025 A research team has found that specific immune cells can connect with muscle fibers in a lightning-fast, neuron-like way to promote healing. These cells deliver quick pulses of calcium, triggering repair within seconds. The mechanism works in both ...

Global Surge in Ultra-processed Foods Sparks Urgent Health Warning

Nov. 24, 2025 Ultra-processed foods are rapidly becoming a global dietary staple, and new research links them to worsening health outcomes around the world. Scientists say only bold, coordinated policy action can counter corporate influence and shift food systems ...

New Obesity Discovery Rewrites Decades of Fat Metabolism Science

Nov. 24, 2025 Researchers have uncovered a surprising new role for the HSL protein: beyond breaking down fat, it also works inside the nucleus of fat cells to keep them functioning properly. When HSL is missing, fat tissue doesn’t expand as expected— instead, ...

How to Keep Ozempic/Wegovy Weight Loss Without the Nausea

Nov. 18, 2025 Scientists are uncovering how GLP-1 drugs like Ozempic and Wegovy act on brain regions that control hunger, nausea, pleasure-based eating, and thirst. These discoveries may help create treatments that keep the benefits of weight loss while reducing ...

Scientists Discover Metformin May Block Key Exercise Benefits

Nov. 18, 2025 Rutgers scientists found that metformin can blunt many of the metabolic and cardiovascular improvements normally produced by exercise. Participants who took the drug saw reduced gains in fitness, blood vessel function, and glucose control. The ...

Ultra-processed Foods Quietly Push Young Adults Toward Prediabetes

Nov. 17, 2025 Ultra-processed foods, already known for their links to health problems in adults, are now shown to harm young adults too, disrupting blood sugar regulation long before illness appears. A four-year USC study following 85 participants found that even ...

Latest Headlines

updated 11:17am EST

Millions Are About to Choose the Wrong Medicare Plan

Nov. 29, 2025 Millions face Medicare decisions each year, but many don’t take advantage of tools that can save them money and stress. Insurance marketing often overshadows unbiased options like SHIP, leaving ...

New Research Shows Hot Tubs Trigger Surprising Health Benefits Saunas Don’t

Nov. 21, 2025 Researchers found that hot tubs raise core body temperature more effectively than traditional or infrared saunas, leading to stronger boosts in blood ...

CRISPR Brings Back Ancient Gene That Prevents Gout and Fatty Liver

Nov. 14, 2025 By reactivating a long-lost gene, researchers were able to lower uric acid levels and stop damaging fat accumulation in human liver models. The breakthrough hints at a future where gout and several ...

Scientists Uncover a Hidden Limit Inside Human Endurance

Nov. 13, 2025 Ultra-endurance athletes can push their bodies to extraordinary extremes, but even they run into a hard biological wall. Researchers tracked ultra-runners, cyclists, and triathletes over weeks and ...

Running on Little Sleep? You’re Twice as Likely to Get Hurt

Nov. 11, 2025 Researchers found that runners who sleep poorly face nearly double the injury risk compared to those who rest well. The study highlights that sleep is not just recovery—it’s a key factor in ...

Doctors Found a Way to Stop a Deadly Metformin Reaction

Nov. 9, 2025 A hospital in Thailand created a quick-action dialysis protocol for patients with metformin-associated lactic acidosis, a dangerous reaction to a common diabetes drug. The program sharply reduced ...

Wegovy in a Pill? Massive Weight Loss Results Revealed

Nov. 6, 2025 Novo Nordisk’s oral semaglutide 25 mg achieved up to 16.6% weight loss in a landmark study, rivaling injectable Wegovy. The pill also improved cardiovascular risk factors and physical activity ...

Too Much Screen Time May Be Hurting Kids’ Hearts

Nov. 1, 2025 More screen time among children and teens is linked to higher risks of heart and metabolic problems, particularly when combined with insufficient sleep. Danish researchers discovered a measurable ...

This Easy Daily Habit Cuts Heart Risk by Two Thirds

Oct. 28, 2025 New research reveals that walking in longer, uninterrupted bouts of 10–15 minutes significantly lowers cardiovascular disease risk—by up to two-thirds compared to shorter strolls. Scientists from ...

Your Gut Microbes Might Be Turning Fiber Into Extra Calories

Oct. 24, 2025 ASU scientists found that people whose gut microbes make more methane extract more calories from fiber-rich foods. Methanogens help the microbiome turn fiber into energy by consuming hydrogen and ...

Running Fixes What Junk Food Breaks in the Brain

Oct. 21, 2025 New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being ...

You Might Look Healthy, but Hidden Fat Could Be Silently Damaging Your Heart

Oct. 23, 2025 McMaster researchers found that deep abdominal and liver fat can quietly damage arteries, even in people who appear fit. Their MRI-based study of over 33,000 adults shows these fats are closely ...

Scientists Reveal the Best Exercise to Ease Knee Arthritis Pain

Oct. 20, 2025 A sweeping review of over 200 studies finds that aerobic exercises like walking and cycling offer the best pain relief and mobility gains for knee osteoarthritis. Compared to other types of exercise, ...

How Cutting Lipids Could Starve Breast Cancer

Oct. 19, 2025 Researchers found that triple-negative breast cancer cells are “addicted” to lipids, a feature tied to obesity. By studying mice, they discovered that high lipid levels alone accelerate tumor ...

Bird Flu Hiding in Cheese? The Surprising New Discovery

Oct. 21, 2025 Researchers discovered that avian influenza (H5N1) can survive in raw milk cheese made from contaminated milk, even after the 60-day aging process required by the FDA. However, highly acidic cheeses ...

Exercise Might Be the Key to a Younger, Sharper Immune System

Oct. 14, 2025 Endurance exercise may train the immune system as much as the muscles. Older adults with decades of running or cycling had immune cells that functioned better and aged more slowly. Their inflammation ...

When Men Drink, Women and Children Pay the Price

Oct. 10, 2025 Men’s heavy drinking is fueling a hidden crisis affecting millions of women and children worldwide. The harms, from violence to financial instability, are especially severe where gender inequality ...

Why Gen X Women Can’t Stop Eating Ultra-Processed Foods

Sep. 29, 2025 Researchers found that middle-aged adults, especially women, are far more likely to be addicted to ultra-processed foods than older generations. Marketing of diet-focused processed foods in the 1980s ...

A Hidden “backup Heater” That Helps Burn Fat and Boost Metabolism

Oct. 9, 2025 Scientists have uncovered a surprising new way the body can burn energy and stay warm. Deep inside fat tissue, they found a hidden system that helps the body use up calories, even without exercise. ...

Surgery Beats Ozempic for Long-Term Health, Cleveland Clinic Finds

Oct. 18, 2025 Weight-loss surgery dramatically outperformed GLP-1 medications in improving longevity and reducing heart, kidney, and eye complications for people with obesity and diabetes. Over 10 years, patients ...

Brain Fat, Not Just Plaques, May Be the Hidden Driver of Alzheimer’s

Sep. 24, 2025 For decades, scientists believed Alzheimer’s was driven mainly by sticky protein plaques and tangles in the brain. Now Purdue researchers have revealed a hidden culprit: fat. They found that brain ...

Scientists Reveal Pill That Helps Shed 20% of Body Weight

Sep. 24, 2025 A massive international study has shown that the experimental oral obesity drug orforglipron can help patients shed over 10% of their body weight, with nearly one in five losing 20% or more. Unlike ...

This Type of Meat Supercharges Muscle Growth After Workouts

Oct. 15, 2025 Scientists discovered that lean pork builds muscle more effectively post-workout than high-fat pork, even with identical protein levels. Using advanced tracking techniques, they found that fat ...

Being Too Thin Can Be Deadlier Than Being Overweight, Danish Study Reveals

Sep. 14, 2025 New research from Denmark challenges long-held assumptions about body weight and health, revealing that being overweight—or even moderately obese—does not necessarily increase the risk of death ...

How Just Minutes of Running Can Supercharge Your Health

Oct. 20, 2025 Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can improve cardiovascular health, regulate blood sugar, and reduce body fat ...

Scientists Reveal Green Tea’s Fat-Burning Secret

Oct. 8, 2025 New research shows green tea may help the body burn fat and balance blood sugar. In a study with obese mice, it improved metabolism and muscle health without harming lean animals. Scientists say its ...

What Happens to Your Body When You Eat Too Many Ultra-Processed Foods

Sep. 27, 2025 Ultra-processed foods make up the bulk of U.S. diets, and new research links high intake to inflammation, a predictor of heart disease. People consuming the most UPFs were far more likely to show ...

One Daily Habit Could Save You from Chronic Back Pain

Sep. 12, 2025 Walking every day could be the simplest and most effective way to prevent chronic lower back pain. A large study involving over 11,000 people found that walking more — not faster — reduces the ...

Why Ultra-Processed Diets Make You Gain Fat Even Without Extra Calories

Aug. 30, 2025 Men eating ultra-processed foods gained more fat than those eating unprocessed meals, even with equal calories. Their hormone levels shifted in worrying ways, with testosterone falling and pollutants ...

How Orangutans Thrive in Feast and Famine Without Gaining Weight

Sep. 9, 2025 Orangutans, humans’ close evolutionary relatives, have developed remarkable strategies to survive in the unpredictable rainforests of Borneo. A Rutgers-led study reveals that these apes balance ...