Staying Healthy News

November 23, 2025

Top Headlines

Just a Few Cigarettes a Day Can Damage Your Heart for Decades

Nov. 22, 2025 People who smoke only a couple of cigarettes a day still face surprisingly high risks of heart problems and early death. A large review of long-term studies shows that even very light smokers can see their risk of heart failure climb sharply. While ...

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 ...

Animals Are Developing the Same Chronic Diseases as Humans

Nov. 17, 2025 Across the planet, animals are increasingly suffering from chronic illnesses once seen only in humans. Cats, dogs, cows, and even marine life are facing rising rates of cancer, diabetes, arthritis, and obesity — diseases tied to the same factors ...

Scientists Find a Molecule That Mimics Exercise and Slows Aging

Nov. 13, 2025 Exercise appears to spark a whole-body anti-aging cascade, and scientists have now mapped out how it happens—and how a simple oral compound can mimic it. By following volunteers through rest, intense workouts, and endurance training, researchers ...

Hidden Household Toxin Triples Liver Disease Risk, Study Finds

Nov. 12, 2025 Scientists have uncovered a new environmental culprit behind liver disease: tetrachloroethylene (PCE), a chemical used in dry cleaning and household products. The study found that people with PCE exposure were three times more likely to develop ...

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 preventing injuries. They stress that runners should ...

Surprising Heart Study Finds Daily Coffee May Cut AFib Risk by 39%

Nov. 10, 2025 New research finds that daily coffee drinking may cut AFib risk by nearly 40%, defying decades of medical caution. Scientists discovered that caffeine’s effects on activity, blood pressure, and inflammation could all contribute to a healthier ...

The Bright Colors in Your Food May Be Harming Your Kids

Nov. 7, 2025 Almost 20% of packaged foods and beverages in the US contain synthetic dyes, often paired with excessive sugar to attract children. These additives have been linked to behavioral issues, yet remain widespread among major brands like Mars and ...

Cockroaches Are Secretly Poisoning Indoor Air

Nov. 4, 2025 Cockroach infestations don’t just bring creepy crawlers, they fill homes with allergens and bacterial toxins that can trigger asthma and allergies. NC State researchers found that larger infestations meant higher toxin levels, especially from ...

Think Melatonin Is Safe? New Research Reveals a Hidden Heart Risk

Nov. 4, 2025 Long-term melatonin use for sleep problems may come with unexpected heart dangers. Researchers found that chronic users were almost twice as likely to die and 3.5 times more likely to be hospitalized for heart failure. Though melatonin is widely ...

Your Bedroom Glow Might Be Quietly Damaging Your Heart

Nov. 3, 2025 Boston researchers linked nighttime light exposure to greater stress-related brain activity and inflamed arteries, signaling a higher risk of heart disease. The study suggests that artificial light at night disrupts normal stress responses, leading ...

Latest Headlines

updated 3:29pm EST

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 ...

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 ...

Alzheimer’s Might Be Powered by a Broken Sleep-Wake Cycle

Nov. 3, 2025 Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at Washington University found that the brain’s circadian rhythms are ...

Scientists Just Shattered a Major Exercise Myth

Nov. 1, 2025 New research from Australia overturns the old idea that exercise “uses up” heartbeats. It shows that fitter people actually use fewer total heartbeats each day thanks to their lower resting heart ...

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 ...

Your ZIP Code Could Reveal Your Risk of Dementia

Oct. 31, 2025 People living in socially and economically disadvantaged neighborhoods may face higher dementia risks, according to new research from Wake Forest University. Scientists found biological signs of ...

Surprising Study Finds Processed Fats May Not Harm Heart Health

Oct. 28, 2025 A new study offers reassurance about the safety of certain processed fats found in everyday foods. Interesterified fats made from palm or plant oils didn’t raise cholesterol or cause metabolic harm ...

Bananas Could Be Ruining Your Smoothie’s Health Benefits

Oct. 27, 2025 Researchers at UC Davis discovered that adding a banana to your smoothie may drastically reduce the absorption of flavanols — powerful compounds linked to heart and brain health. The culprit is ...

Scientists Turn “junk DNA” Into a Powerful Weapon Against Cancer

Oct. 27, 2025 King’s College London researchers discovered that parts of our DNA once thought to be “junk” can actually help destroy cancer cells. In some blood cancers, damaged genes trigger chaos in these ...

Weight-Loss Drugs Like Ozempic May Also Curb Drug and Alcohol Addiction

Oct. 26, 2025 GLP-1 drugs, originally developed for diabetes and obesity, may also curb addictive behaviors by acting on reward circuits in the brain. Early trials show reductions in alcohol intake, opioid ...

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 ...

Forget Fiber. Science Just Found the Foods That Really Help Constipation

Oct. 22, 2025 Researchers at King’s College London have created the first evidence-based dietary guidelines for chronic constipation, finding real relief may come from kiwifruit, rye bread, and mineral water. ...

C-Section Births Linked to Sleepless Nights and Painful Recoveries

Oct. 13, 2025 Women who undergo C-sections are more likely to experience debilitating pain and sleep disorders in the months after giving birth. Researchers found both qualitative and large-scale data supporting ...

Keto Diet Shields Young Minds from Early-Life Trauma

Oct. 12, 2025 Young rats given a ketogenic diet were largely protected from the mental and behavioral issues caused by prenatal stress. The high-fat, low-carb diet appeared to safeguard brain development and ...

Scientists Discover How a High-Fat Keto Diet Could Keep Your Brain Young

Oct. 21, 2025 Mizzou scientists are exploring how a ketogenic diet may protect the brain and prevent Alzheimer’s in people genetically predisposed to it. Their study found that female mice with the APOE4 gene ...

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 ...

Scientists Discover Brain Circuit That Can Switch Off Chronic Pain

Oct. 10, 2025 Scientists have pinpointed Y1 receptor neurons in the brain that can override chronic pain signals when survival instincts like hunger or fear take precedence. Acting like a neural switchboard, these ...

Even “diet” Soda May Be Quietly Damaging Your Liver, Scientists Warn

Oct. 19, 2025 Both regular and “diet” soft drinks may be far worse for liver health than believed. A massive study of over 120,000 participants found that consuming more than one can a day of either ...

Two Common Drugs Could Reverse Fatty Liver Disease

Oct. 12, 2025 Researchers at the University of Barcelona found that combining pemafibrate and telmisartan significantly reduces liver fat and cardiovascular risks in MASLD models. The drug duo works better ...

Why Ultra-Processed Foods Aren’t the Real Villain Behind Overeating

Oct. 5, 2025 Researchers from Leeds found that overeating is driven more by what people believe about food than by its actual ingredients or level of processing. Foods perceived as fatty, sweet, or highly ...

Fat May Secretly Fuel Alzheimer’s, New Research Finds

Oct. 3, 2025 New research from Houston Methodist reveals how obesity may directly drive Alzheimer’s disease. Scientists discovered that tiny messengers released by fat tissue, called extracellular vesicles, can ...

MIT Discovers Amino Acid That Helps the Gut Heal Itself

Oct. 23, 2025 MIT scientists have found that an amino acid called cysteine can help the gut heal itself. In mouse studies, a cysteine-rich diet activated immune cells that release a molecule speeding up tissue ...

A Little Stress Could Be the Secret to Healthy Aging

Oct. 15, 2025 Scientists discovered that specific nutrients in nematodes' diets activate stress defenses that keep their cells healthier over time. These RNAs prevent toxic protein buildup, promoting ...

Poor Sleep Speeds Brain Aging and May Raise Dementia Risk

Oct. 2, 2025 New research shows that poor sleep could make the brain appear years older than it really is. Using MRI scans and machine learning, scientists found a clear link between unhealthy sleep patterns and ...

Long Commutes and Small Homes Are Wrecking Sleep

Sep. 30, 2025 Tokyo residents face a trade-off between home size and commute time when it comes to sleep health. A new study shows longer commutes increase both insomnia and daytime sleepiness, while smaller ...

You Don’t Have to Lose Weight to Lower Your Diabetes Risk, Scientists Say

Oct. 6, 2025 A major study from Tübingen found that prediabetic individuals who normalized their blood sugar through healthy habits — even without shedding pounds — cut their risk of type 2 diabetes by 71%. ...

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 ...