Health & Medicine News

February 14, 2026

Top Headlines

This Breakthrough Could Finally Unlock Male Birth Control

Feb. 14, 2026 Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team discovered how dormant cells suddenly flip into ...

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 with governments, UNESCO, and international science ...

Scientists Discover a Hidden Gut Bacterium Linked to Good Health

Feb. 14, 2026 A global study has uncovered a mysterious group of gut bacteria that shows up again and again in healthy people. Known as CAG-170, these microbes were found at lower levels in people with a range of chronic diseases. Genetic clues suggest they help ...

Omega-3 Fish Oil Supplements Could Backfire Without This Key Enzyme

Feb. 13, 2026 Fish oil’s cancer-fighting reputation may hinge on a little-known gene. Researchers discovered that omega-3s like EPA and DHA help curb colorectal cancer only when the enzyme ALOX15 is present. Without it, fish oil sometimes increased tumor growth ...

Scientists Discover Hidden Brain Cells That Help Heal Spinal Cord Injuries

Feb. 13, 2026 Scientists at Cedars-Sinai have uncovered a surprising repair system in the spinal cord that could open new doors for treating paralysis, stroke, and diseases like multiple sclerosis. They found that special support cells called astrocytes—located ...

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 particles actually do once they enter living organisms. ...

This Vegan Diet Cut Insulin Use by Nearly 30% in Type 1 Diabetes

Feb. 13, 2026 A low-fat vegan diet—without cutting calories or carbs—may help people with type 1 diabetes significantly reduce how much insulin they need, and how much they spend on it. In a new analysis published in BMC Nutrition, participants following the ...

The Exact Speed That Makes an AI Prosthetic Arm Feel Like Your Own

Feb. 13, 2026 A robotic arm that moves too quickly can feel creepy. One that moves too slowly feels awkward and unhelpful. In a VR study, researchers found that AI-powered prosthetic arms were best accepted when they moved at a natural, human-like speed—about ...

Scientists Discover Hidden Trigger Behind Achilles Pain and Tennis Elbow

Feb. 12, 2026 A protein called HIF1 may be the missing link behind painful tendon injuries like jumper’s knee and tennis elbow. Researchers showed that high levels of HIF1 actually cause harmful changes that make tendons brittle and prone to pain. In ...

Scientists Discover Protein That Rejuvenates Aging Brain Cells

Feb. 12, 2026 A newly identified protein may hold the key to rejuvenating aging brain cells. Researchers found that boosting DMTF1 can restore the ability of neural stem cells to regenerate, even when age-related damage has set in. Without it, these cells ...

One Simple Daily Change That Could Slash Depression Risk

Feb. 12, 2026 Swapping just an hour of TV a day for something more active could significantly lower the risk of developing major depression—especially in middle age. A large Dutch study tracking more than 65,000 adults over four years found that replacing 60 ...

This Kefir and Fiber Combo Beat Omega-3 in Slashing Inflammation

Feb. 11, 2026 A six-week study from the University of Nottingham suggests that pairing fermented kefir with a diverse prebiotic fiber mix may deliver a powerful anti-inflammatory boost. This “synbiotic” combination outperformed omega-3 supplements and fiber ...

Latest Headlines

updated 10:49am EST

Just 5 Weeks of Brain Training May Protect Against Dementia for 20 Years

Feb. 11, 2026 A simple brain-training program that sharpens how quickly older adults process visual information may have a surprisingly powerful long-term payoff. In a major 20-year study of adults 65 and older, ...

Changing When You Eat Dramatically Reduced Crohn’s Disease Symptoms

Feb. 11, 2026 A new clinical trial suggests that changing when you eat could make a meaningful difference for people living with Crohn’s disease. Researchers found that time-restricted feeding, a form of ...

Blockbuster Weight Loss Drugs Like Ozempic Deliver Big Results but Face Big Questions

Feb. 11, 2026 Three major reviews commissioned by the World Health Organization find that GLP-1 drugs including tirzepatide (sold as Mounjaro and Zepbound), ...

Depression May Be the Brain’s Early Warning Sign of Parkinson’s or Dementia

Feb. 11, 2026 Depression in older adults may sometimes signal the early stages of Parkinson’s disease or Lewy body dementia. Researchers found that depression ...

This Bedroom Temperature Could Help Older Adults Sleep With Less Stress

Feb. 11, 2026 A cooler bedroom might be better for older sleepers than previously thought. Researchers found that keeping nighttime temperatures at 75°F reduced stress responses and helped the heart work more ...

Scientists Just Made Living Blood Vessels on a Chip That Act Like Real Ones

Feb. 11, 2026 Blood vessels twist, branch, narrow, and balloon in ways that dramatically affect how blood flows — but most lab models have long treated them like straight pipes. Researchers at Texas A&M have now ...

Scientists Discover How Life Experiences Rewrite the Immune System

Feb. 11, 2026 Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our ...

Ultra-Processed Foods Linked to 47% Higher Risk of Heart Attack and Stroke

Feb. 10, 2026 Ultra-processed foods are everywhere in the American diet, and researchers are finding alarming consequences. Using national health data, scientists found that adults with the highest intake of these ...

When Immune Cells Stop Fighting Cancer and Start Helping It

Feb. 10, 2026 Scientists have uncovered a surprising way tumors turn the immune system to their advantage. Researchers at the University of Geneva found that neutrophils—normally frontline defenders against ...

Scientists Find a Clue to Human Brain Evolution in Finger Length

Feb. 10, 2026 Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — ...

AI Reads Brain MRIs in Seconds and Flags Emergencies

Feb. 10, 2026 Researchers at the University of Michigan have created an AI system that can interpret brain MRI scans in just seconds, accurately identifying a wide range of neurological conditions and determining ...

A Secret Cell Alliance May Explain Why Ovarian Cancer Is So Deadly

Feb. 9, 2026 Scientists have discovered why ovarian cancer spreads so rapidly through the abdomen. Cancer cells enlist normally protective abdominal cells, forming mixed groups that work together to invade new ...

Scientists Find a Missing Link Between Epstein-Barr Virus and Multiple Sclerosis

Feb. 6, 2026 New research suggests that Epstein-Barr virus may actively provoke the immune system in people with multiple sclerosis. Scientists found large buildups of virus-targeting immune cells in the nervous ...

Doctors Test Brain Cell Implants to Restore Movement in Parkinson’s

Feb. 6, 2026 Scientists at Keck Medicine of USC are testing an experimental stem cell therapy that aims to restore the brain’s ability to produce dopamine, the chemical whose loss drives Parkinson’s disease. ...

Everyone Thought Autism Mostly Affected Boys. This Study Says Otherwise

Feb. 10, 2026 Autism has long been thought of as a condition that mostly affects boys, but a massive study from Sweden suggests that idea may be misleading. Tracking nearly 3 million people over decades, ...

Feb. 9, 2026 A long-term study found that women who closely followed a Mediterranean diet had a much lower risk of stroke. The strongest benefits were seen in women who ate more plant-based foods, fish, and olive ...

Scientists May Have Found the Brain Network Behind Parkinson’s

Feb. 8, 2026 A new international study points to a specific brain network as the core driver of Parkinson’s disease. Scientists found that this network becomes overly connected, disrupting not just movement but ...

New Drug Resets the Body Clock and Cuts Jet Lag Recovery Nearly in Half

Feb. 8, 2026 Scientists have identified a promising new compound, Mic-628, that can reliably shift the body’s internal clock forward—something that’s notoriously hard to do. By targeting a key clock-control ...

Scientists Found a Sugar That Could Defeat Deadly Superbugs

Feb. 6, 2026 Scientists in Australia have uncovered a clever new way to fight some of the most dangerous drug-resistant bacteria by targeting a sugar that exists only on bacterial cells. By designing antibodies ...

Air Ambulance Teams Are Changing Who Survives Critical Injuries

Feb. 5, 2026 Advanced care provided by air ambulance teams was linked to higher survival rates in major trauma patients. Researchers found that more people survived than predicted by standard models, including ...

A Century of Hair Shows How Lead Exposure Collapsed

Feb. 7, 2026 For decades, Americans were surrounded by lead from car exhaust, factories, paint, and even drinking water, often without realizing the damage it caused. By analyzing hair samples preserved across ...

A Hidden Brain Effect of Prenatal Alcohol Exposure

Feb. 6, 2026 New research using rhesus monkeys suggests that the brain’s relationship with alcohol may begin forming long before a person ever takes a drink. Scientists found that exposure to alcohol before ...

Scientists Just Mapped the Mutations That Power Cancer Growth

Feb. 5, 2026 Researchers have created the first complete map showing how hundreds of mutations in a key cancer gene affect tumor growth. By testing every possible mutation in a critical hotspot, they found that ...

Sound Machines Might Be Making Your Sleep Worse

Feb. 4, 2026 Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

A Hidden Cellular Process May Drive Aging and Disease

Feb. 3, 2026 As we age, our cells don’t just wear down—they reorganize. Researchers found that cells actively remodel a key structure called the endoplasmic reticulum, reducing protein-producing regions while ...

New Nasal Vaccine Shows Strong Protection Against H5N1 Bird Flu

Feb. 4, 2026 As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts to spread widely between people. A new nasal spray vaccine showed strong ...

A Silent Brain Disease Can Quadruple Dementia Risk

Feb. 1, 2026 Researchers studying nearly 2 million older adults found that cerebral amyloid angiopathy sharply raises the risk of developing dementia. Within five years, people with the condition were far more ...

Alzheimer’s Scrambles Memories While the Brain Rests

Feb. 1, 2026 When the brain rests, it usually replays recent experiences to strengthen memory. Scientists found that in Alzheimer’s-like mice, this replay still occurs — but the signals are jumbled and poorly ...

A Simple Blood Test Could Spot Parkinson’s Years Before Symptoms

Jan. 29, 2026 Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological ...

Late Bedtimes Are Linked to Higher Heart Disease Risk

Jan. 30, 2026 People who naturally stay up late may be putting their hearts under added strain as they age. A large study tracking more than 300,000 adults found that middle-aged and older night owls had poorer ...