Health & Medicine News

September 8, 2026

Top Headlines

Ozempic and Wegovy May Have an Unexpected Mental Health Benefit

Sep. 8, 2026 Semaglutide, the drug behind Ozempic and Wegovy, may have benefits that extend well beyond weight loss and diabetes. In a large Swedish study of nearly 15,000 people with bipolar disorder, its use was linked to a 21% lower risk of psychiatric ...

Scientists Find a New Weakness in Treatment-resistant Prostate Cancer

Sep. 8, 2026 Researchers have found a potential way to attack prostate cancers that evade treatment by changing their cellular identity. Combining two types of drugs reversed many of these changes and sharply slowed tumor growth in preclinical experiments, ...

Early Statin Use Linked to 15% Lower Dementia Risk

Sep. 8, 2026 Starting statins soon after a type 2 diabetes diagnosis may do more than protect the heart. In a nationwide Danish study of more than 132,000 people, those who began statin treatment within a year of diagnosis had a 15% lower relative risk of ...

Scientists Discover a Hidden Immune Signal That Helps Spinal Cords Regrow

Sep. 7, 2026 A surprising immune system signal may help explain why zebrafish can regenerate damaged spinal cords so effectively. Researchers found that certain neutrophils release Il-4, which calms harmful inflammation and allows injured nerve fibers to grow ...

Common Dry-cleaning Chemical Linked to Triple the Risk of Liver Scarring

Sep. 7, 2026 A chemical commonly used in dry cleaning and found in some household products may be an overlooked threat to liver health. Researchers found that people with detectable levels of tetrachloroethylene (PCE) in their blood were three times more likely ...

Cialis Linked to Higher Glaucoma Risk in Large Study

Sep. 7, 2026 A large study of nearly 74,000 men suggests that long-term use of tadalafil, best known as Cialis, may be linked to a higher risk of glaucoma and other eye pressure problems. Men prescribed the drug for urinary symptoms caused by an enlarged ...

Your Gut Microbiome May Be More Contagious Than Scientists Thought

Sep. 7, 2026 Scientists have found evidence that some gut bacterial populations can spread rapidly between people and across continents, suggesting the microbiome may be more transmissible than previously thought. The research also revealed hidden bacterial ...

Cancer Cases Could Surge 67% Worldwide by 2050

Sep. 7, 2026 Cancer is becoming an even larger global health threat, with nearly 21 million people diagnosed and 9.8 million dying from the disease in 2024. New estimates suggest about 1 in 5 people worldwide will develop cancer during their lifetime, while ...

MIT Scientists Develop Injectable “Mini Livers” That Work Inside the Body

Sep. 6, 2026 MIT engineers have developed injectable “mini livers” designed to help support people whose failing livers can no longer perform essential jobs. Instead of replacing the damaged organ, the ...

Sep. 6, 2026 A large study involving more than 270,000 people has linked higher blood levels of the amino acid tyrosine to a shorter lifespan in men. Using both observational data and genetic analysis, researchers found that elevated tyrosine could potentially ...

Scientists Find Breast Cancer Cells Hiding Behind Protective “Shields”

Sep. 6, 2026 Researchers have mapped breast tumors in striking detail and uncovered hidden pockets of dormant cancer cells that may help explain why cancer can return after treatment. Unlike rapidly dividing cells, these quiet cells can essentially hibernate, ...

This Lifestyle Program Improved Cognition 55% More Than Basic Health Advice

Sep. 6, 2026 Older adults at risk of dementia improved their memory and thinking after following lifestyle programs combining exercise, healthy eating, cognitive training, and social engagement. Those who received regular coaching and structured support improved ...

Latest Headlines

updated 9:57am EDT

Scientists Discover a Powerful New Antivenom Hidden in Rattlesnake Blood

Sep. 8, 2026 Researchers discovered that combinations of toxin-blocking proteins naturally found in rattlesnake blood can powerfully neutralize venom from several dangerous snake species. In lab tests, the ...

Your Personality May Be More Genetic Than Scientists Realized

Sep. 8, 2026 More than 1,200 genetic variants have been linked to the Big Five personality traits, and many of the same variants are also associated with health, longevity, careers, income, and everyday habits. ...

Scientists Observe Einstein’s Gravity in the Quantum World for the First Time

Sep. 8, 2026 Physicists have directly observed a long-predicted quantum effect of gravity, putting one of Einstein’s foundational ideas to a striking new test. ...

Scientists Discover a Hidden Problem With This Popular Sugar Substitute

Sep. 6, 2026 Sorbitol, a sugar alcohol commonly used in sugar-free candy, gum, and other low-calorie foods, may not be as harmless as it seems. Researchers at Washington University in St. Louis found that the ...

Scientists Find a Weak Spot in One of the Deadliest Brain Cancers

Sep. 6, 2026 Researchers may have found a new way to weaken glioblastoma’s defenses against treatment. Blocking a protein called SET prevented tumors from forming in preclinical models, while targeting related ...

Heart Disease and Kidney Disease Can Fuel Each Other. New Guidelines Aim to Break the Cycle

Sep. 5, 2026 Heart disease and chronic kidney disease can accelerate one another, but new guidelines say simple screening and early treatment could substantially ...

Some Joints May Be Primed for Rheumatoid Arthritis Before Birth

Sep. 5, 2026 Scientists have found evidence that vulnerability to rheumatoid arthritis may begin before birth. Finger joints commonly affected by the disease develop with different tissue structures and larger ...

Compound in Blueberries May Help Muscle Cells Burn Excess Fat

Sep. 5, 2026 Scientists in Japan have identified a natural compound found in blueberries, grapes, and other berries that may help muscle cells burn excess fat instead of storing it. The compound, pterostilbene, ...

A Longer Exhale May Push Your Brain Toward Bolder Decisions

Sep. 4, 2026 Slow breathing with a prolonged exhale made people more willing to take risks by changing heart activity and increasing the brain’s sensitivity to rewards. The findings suggest that something as ...

Scientists Reveal the Hidden Instructions That Build the Human Brain

Sep. 4, 2026 UCLA researchers have discovered two powerful influences that help guide how the human brain forms before birth. Radial glia, stem cells responsible for producing much of the cerebral cortex, change ...

“Broken Heart Syndrome” Can Look Just Like a Heart Attack. This Test Can Tell Them Apart

Sep. 2, 2026 “Broken heart syndrome” can mimic a heart attack so closely that patients often need invasive testing to tell the difference. Researchers have now developed the BioTAK score, which combines ...

A Cancer Therapy Put Severe Rheumatoid Arthritis Into Remission

Aug. 29, 2026 CAR T-cell therapy dramatically reduced disease activity in six people with severe rheumatoid arthritis that had resisted other treatments, with three achieving medication-free remission. The ...

Keto Diet Cut Liver Fat by 67% in a Clinical Trial

Aug. 29, 2026 A ketogenic diet outperformed Mediterranean and low-fat diets in several measures of metabolic health during a clinical trial involving people with obesity, prediabetes, and fatty liver disease. All ...

Bird Flu Is Spreading. Your Backyard Feeder Could Make It Worse

Aug. 24, 2026 Backyard bird feeders could become unexpected hotspots for H5N1 as Australia’s bird flu outbreak spreads, bringing species together in ways that rarely occur naturally. Experts say stopping feeding ...

Depression May Shut Down the Brain’s Ability to Make New Neurons

Aug. 25, 2026 A major study found that adults with depression show disrupted production of new neurons in the hippocampus, potentially weakening the brain’s ability to separate new experiences from painful ...

Experimental Compound Helps Burn Fat Without Muscle Loss

Aug. 23, 2026 A decades-old compound may point to a new way of treating obesity by making the body burn more energy rather than simply reducing appetite. In mice, TOFA increased energy use by as much as 18%, ...

A Hidden “on Switch” in Human DNA Has Finally Been Decoded

Aug. 23, 2026 Researchers have used AI to uncover the DNA signature of a key genetic “switch” involved in turning genes on. After analyzing about 500,000 DNA sequences, the model identified the initiator in ...

AI May Know How You’ll Respond to a Vaccine Before You Get It

Aug. 21, 2026 AI may be able to predict how strongly someone will respond to a vaccine before they receive it. By analyzing antibody patterns in more than 4,000 people, researchers found signs of “immune ...

A Simple at-Home Test Could Cut Colorectal Cancer Death Risk by 43%

Aug. 21, 2026 People who participated in colorectal cancer screening had a 43% lower risk of dying from the disease, according to long-term data from more than 376,000 people in Sweden. The findings suggest that ...

Alzheimer’s May Leave a Mark on the Brain Long Before Plaques Appear

Sep. 2, 2026 Brain changes associated with Alzheimer’s may begin at least seven years before amyloid plaques become detectable with current PET scans. Researchers uncovered the signal by tracking healthy older ...

People Who Live Past 110 Have an Unusual Abundance of Killer Immune Cells

Aug. 25, 2026 People who reach 110 and beyond appear to have unusually large numbers of rare immune cells capable of killing abnormal cells. These CD4 cytotoxic T cells became more common with age and often ...

Gut Bacteria May Unlock a Hidden Benefit of Vegetables

Aug. 23, 2026 Gut bacteria can transform nitrate and plant-based iron from vegetables and other foods into protective molecules that may benefit the heart and metabolism. In experimental models, higher levels of ...

This Common Vitamin Was Linked to 13% Better Cognitive Scores

Aug. 23, 2026 Older adults with mild cognitive impairment and sleep problems who took at least 5,000 IU of vitamin D daily scored more than 13% higher on a cognitive test than those taking none. The preliminary ...

What You Eat Before Age 2 May Affect Your Health 70 Years Later

Aug. 26, 2026 Britain’s postwar sugar rationing created a rare natural experiment that let researchers examine how early sugar exposure might affect health decades later. People who experienced more rationing ...

A Missing Color in Indoor Light May Help Prevent Myopia

Aug. 26, 2026 A wavelength of light largely missing from indoor LEDs may play an important role in protecting developing eyes from nearsightedness. Researchers found that indigo light completely prevented myopia ...

Vitamin C Won’t Prevent Most Colds, but It May Do One Small Thing

Aug. 27, 2026 The belief that huge doses of vitamin C can ward off colds was popularized more than 50 years ago by Nobel Prize winner Linus Pauling. Since then, larger studies have found that vitamin C does not ...

Scientists Discover a Brain “brake” That Can Shut Down Chronic Pain

Aug. 27, 2026 Researchers discovered a brain-based “brake” that can shut down chronic nerve pain in mice by calming an overactive pain circuit. Targeting this system more precisely could one day lead to ...

Knee Osteoarthritis Isn’t Inevitable — Here’s What You Can Do

Aug. 20, 2026 Knee osteoarthritis can seriously affect mobility and quality of life, but its progression isn’t completely out of your control. Exercise, stronger leg muscles, a healthier diet, and even modest ...

A Mother’s Age Can Shape Her Offspring Without Changing Their DNA

Aug. 19, 2026 Scientists have found evidence that the effects of a mother’s age on her offspring may be driven by reversible changes in gene activity rather than permanent DNA damage. The discovery raises the ...

Your Waist Size May Reveal Health Risks BMI Misses

Aug. 31, 2026 A simple waist measurement may be nearly as effective as more complicated methods for detecting unhealthy levels of body fat. Researchers also found that BMI alone missed many people with obesity, ...