Health & Medicine News

February 28, 2026

Top Headlines

How the Body Really Ages: 7 Million Cells Mapped Across 21 Organs

Feb. 28, 2026 Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in a coordinated way throughout the body. About a ...

Scientists Discover a Bacterial Kill Switch and It Could Change the Fight Against Superbugs

Feb. 28, 2026 Drug-resistant bacteria are becoming harder to treat, pushing scientists to look for new antibiotic targets. Researchers have now discovered that several unrelated viruses disable a key bacterial ...

Your Morning Coffee Could One Day Help Fight Cancer

Feb. 28, 2026 Scientists at Texas A&M are turning an everyday pick-me-up into a high-tech medical switch. By combining caffeine with CRISPR gene editing, researchers have created a system that allows cells to be programmed in advance — and then activated simply ...

Scientists Discover Diet That Tricks the Body Into Burning Fat Without Exercise

Feb. 27, 2026 Researchers found that cutting two amino acids common in animal protein—methionine and cysteine—made mice burn significantly more energy. The boost in heat production was nearly as powerful as ...

Iron Outperforms Rare Metals in Stunning Chemistry Advance

Feb. 27, 2026 Researchers at Nagoya University have created a more efficient iron-based photocatalyst that could reduce the need for rare and expensive metals in advanced chemistry. Unlike earlier designs, the new catalyst uses far fewer costly chiral ligands ...

Scientists Turn Methane Into Medicine in Stunning Breakthrough

Feb. 27, 2026 Scientists have unveiled a breakthrough way to turn natural gas—long burned as fuel—into valuable chemical building blocks for medicines and other high-demand products. By designing a clever iron-based catalyst powered by LED light, researchers ...

American Heart Association Warns 60% of US Women Will Have Cardiovascular Disease by 2050

Feb. 27, 2026 Heart disease is on track to tighten its grip on American women. New projections from the American Heart Association warn that over the next 25 years, cardiovascular disease will rise sharply, driven ...

PFAS Found in Most Americans Linked to Rapid Biological Aging

Feb. 26, 2026 “Forever chemicals” known as PFAS have quietly infiltrated everything from nonstick pans to food packaging—and now new research suggests some of them may be speeding up the aging process itself. In a nationally representative U.S. study, two ...

Feb. 26, 2026 A massive study of more than 270,000 people has uncovered a surprising link between a common amino acid and how long men live. Researchers found that higher levels of tyrosine—an amino acid found in protein-rich foods and often marketed as a ...

Hidden Architecture Inside Cellular Droplets Opens New Targets for Cancer and ALS

Feb. 26, 2026 Biomolecular condensates were long believed to be simple liquid blobs inside cells. Researchers have now uncovered that some are actually supported by fine protein filaments forming an internal ...

The More You Fear Aging, the Faster Your Body May Age

Feb. 26, 2026 Worrying about getting older—especially fearing future health problems—may actually speed up aging at the cellular level, according to new research from NYU. In a study of more than 700 women, those who felt more anxious about aging showed signs ...

Feb. 26, 2026 Popular acid reflux drugs such as Prilosec, Nexium, and Protonix may carry hidden risks when taken long term. A new study found that extended use disrupted iron and calcium levels in rats, changes associated with anemia and osteoporosis risk. ...

Latest Headlines

updated 10:28am EST

Study Finds Vegetarians Over 80 Less Likely to Reach 100

Feb. 26, 2026 Avoiding meat might slightly lower the odds of reaching 100 — but only for frail, underweight seniors. In very old age, staying strong and maintaining muscle matters more than long-term disease ...

Shingles Vaccine May Slow Biological Aging and Reduce Inflammation

Feb. 26, 2026 A shingles shot might do more than prevent a painful rash — it could actually help slow down the aging process. In a large national study of more than 3,800 Americans age 70 and older, those who ...

Scientists Discover Hidden Sugar Layer Behind Psoriasis

Feb. 25, 2026 A gel-like sugar coating on immune cells has been found to play a starring role in psoriasis. Researchers discovered that immune cells shed this outer layer to help them exit the bloodstream and ...

Massive Review Suggests Exercise May Do Little for Osteoarthritis Pain

Feb. 25, 2026 A sweeping new analysis of the evidence suggests that exercise therapy — long promoted as a first-line treatment for osteoarthritis — may offer only small and short-lived relief, and in some ...

Just Two Days of Oatmeal Cut Bad Cholesterol by 10%

Feb. 25, 2026 Eating nothing but oatmeal for just two days might sound extreme, but it delivered a striking payoff in a new clinical trial. People with metabolic syndrome who followed a short, calorie-reduced ...

New Drug Target Discovered for Devastating “brain on Fire” Disease

Feb. 25, 2026 Scientists have zeroed in on a critical weak spot behind a rare but devastating brain autoimmune disorder often known as “Brain on Fire.” The disease strikes when the immune system attacks NMDA ...

New Brain Stimulation Approach Could Treat Depression in Just 5 Days

Feb. 25, 2026 A weeklong, high-intensity version of TMS may work nearly as well as the standard six-week treatment for depression. In a UCLA study, patients who received five sessions a day for five days ...

Microplastics Found in 90% of Prostate Cancer Tumors, Study Reveals

Feb. 25, 2026 Researchers have detected microplastics in nearly all prostate cancer tumors examined in a new study. Tumor tissue contained about 2.5 times more plastic than nearby healthy prostate tissue. ...

Alzheimer’s May Begin With a Silent Drop in Brain Blood Flow

Feb. 24, 2026 Subtle changes in brain blood flow and oxygen use are closely linked to hallmark signs of Alzheimer’s, including amyloid plaques and memory-related brain shrinkage. Simple, noninvasive scans may ...

Scientists Engineer Bacteria to Eat Cancer Tumors from the Inside out

Feb. 24, 2026 Researchers are engineering bacteria to invade tumors and consume them from the inside. Because tumor cores lack oxygen, they’re the perfect breeding ground for these microbes. The team added a ...

Massive US Study Finds Higher Cancer Death Rates Near Nuclear Power Plants

Feb. 24, 2026 A sweeping nationwide study has found that U.S. counties located closer to operating nuclear power plants have higher cancer death rates than those farther away. Researchers analyzed data from every ...

Scientists Create Universal Nasal Spray Vaccine That Protects Against COVID, Flu, and Pneumonia

Feb. 23, 2026 Scientists at Stanford Medicine have unveiled a bold new kind of “universal” vaccine that could one day protect against everything from COVID-19 and the flu to bacterial pneumonia and even common ...

Simple Blood Test Can Forecast Alzheimer’s Years Before Memory Loss

Feb. 23, 2026 Scientists have created a blood test that can estimate when Alzheimer’s symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three ...

Scientists Discover Why High Altitude Protects Against Diabetes

Feb. 21, 2026 Living at high altitude appears to protect against diabetes, and scientists have finally discovered the reason. When oxygen levels drop, red blood cells switch into a new metabolic mode and absorb ...

Scientists Finally Explain Why Chronic Constipation Treatments Often Fail

Feb. 19, 2026 A newly discovered bacterial duo may be the hidden cause of chronic constipation. The two microbes break down the colon’s protective mucus layer, leaving stool dry and hard — a problem ...

Babies Exposed to Far More “forever Chemicals” Before Birth Than Scientists Knew

Feb. 23, 2026 Babies born in the early 2000s were exposed in the womb to far more “forever chemicals” than researchers once realized, according to a new study. By using advanced chemical screening on umbilical ...

Ultramarathons May Damage Red Blood Cells and Accelerate Aging

Feb. 21, 2026 Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to ...

Scientists Reveal How Exercise Protects the Brain from Alzheimer’s

Feb. 20, 2026 Exercise may sharpen the mind by repairing the brain’s protective shield. Researchers found that physical activity prompts the liver to release an enzyme that removes a harmful protein causing the ...

Generative AI Analyzes Medical Data Faster Than Human Research Teams

Feb. 21, 2026 Researchers tested whether generative AI could handle complex medical datasets as well as human experts. In some cases, the AI matched or outperformed teams that had spent months building prediction ...

New Oxygen Gel Could Prevent Amputation in Diabetic Wound Patients

Feb. 22, 2026 Chronic wounds often spiral out of control because oxygen can’t reach the deepest layers of injured tissue. A new gel developed at UC Riverside delivers a continuous flow of oxygen right where ...

Air Pollution Linked to Higher Alzheimer’s Risk in 28 Million Older Americans

Feb. 20, 2026 Breathing polluted air may do more than harm your lungs — it could also increase your risk of Alzheimer’s disease. In a sweeping study of nearly 28 million older Americans, researchers found that ...

The Nearsightedness Explosion May Be Fueled by Dim Indoor Light, Not Just Screens

Feb. 19, 2026 Myopia is skyrocketing around the world, often blamed on endless screen time — but new research suggests the real culprit may be something more subtle. Scientists at SUNY College of Optometry ...

Frozen for 5,000 Years, This Ice Cave Bacterium Resists Modern Antibiotics

Feb. 21, 2026 Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it’s resistant to many modern antibiotics. Despite ...

Sugary Drinks Linked to Rising Anxiety in Teens

Feb. 18, 2026 Sugary drinks may be linked to more than just physical health problems in teens. A new review of multiple studies found a consistent association between high consumption of beverages like soda, ...

Intermittent Fasting Fails to Beat Standard Dieting for Weight Loss

Feb. 18, 2026 Intermittent fasting has become one of the most talked-about weight loss trends in recent years, promising dramatic results with simple changes to when you eat. But a major Cochrane review suggests ...

The Human Exposome Could Change Everything We Know About Disease

Feb. 14, 2026 Scientists are launching an ambitious global effort to map the “human exposome” — the lifelong mix of environmental and chemical exposures that drive most diseases. Backed by new partnerships ...

This New Blood Test Could Detect Cancer Before It Shows Up on Scans

Feb. 16, 2026 A new light-based sensor can spot incredibly tiny amounts of cancer biomarkers in blood, raising the possibility of earlier and simpler cancer detection. The technology merges DNA nanotechnology, ...

Stop Eating 3 Hours Before Bed to Improve Heart Health

Feb. 15, 2026 A simple shift in your evening routine may give your heart a measurable boost. In a new study, adults who stopped eating and dimmed the lights three hours before bed and extended their overnight fast ...

AI Uncovers the Hidden Genetic Control Centers Driving Alzheimer’s

Feb. 15, 2026 Scientists have created the most detailed maps yet of how genes control one another inside the brains of people with Alzheimer’s disease. Using a powerful new AI-based system called SIGNET, the ...

Scientists Make Microplastics Glow to See What They Do Inside Your Body

Feb. 13, 2026 Microplastics and nanoplastics are now found everywhere on Earth, from ocean depths to agricultural soils and even inside the human body. Yet scientists still struggle to understand what these ...