Health & Medicine News

February 17, 2026

Top Headlines

Toxic Metals Found in Bananas After Brazil Mining Disaster

Feb. 17, 2026 Researchers investigating crops grown in soil contaminated by the 2015 mining disaster in Brazil discovered that toxic metals are moving from the earth into edible plants. Bananas, cassava, and cocoa were found to absorb elements like lead and ...

Ancient DNA Solves 12,000-year-old Mystery of Rare Genetic Growth Disorder

Feb. 17, 2026 An Ice Age double burial in Italy has yielded a stunning genetic revelation. DNA from a mother and daughter who lived over 12,000 years ago shows that the younger had a rare inherited growth disorder, confirmed through mutations in a key bone-growth ...

Scientists Discover Brain Switches That Clear Alzheimer’s Plaques

Feb. 17, 2026 Researchers have identified two brain receptors that help the brain clear away amyloid beta, a hallmark of Alzheimer’s disease. By stimulating these receptors in mice, scientists increased levels of a natural amyloid-breaking enzyme, reduced ...

Mysterious RNA Led Scientists to a Hidden Layer of Cancer

Feb. 17, 2026 A mysterious RNA found in breast cancer led scientists to uncover an entire hidden class of cancer-specific RNAs across dozens of tumor types. These molecules form unique molecular signatures that identify cancer type and subtype with remarkable ...

Nearly 200,000 People Reveal the Real Key to Heart Health

Feb. 17, 2026 A decades-long study of nearly 200,000 adults challenges the low-carb versus low-fat debate. Both eating patterns were tied to lower heart disease risk when they emphasized whole grains, plant-based foods, and healthy fats. Versions filled with ...

Giving People Cash Didn’t Cause More Injuries or Deaths

Feb. 16, 2026 As cash transfer programs expand across the United States, critics often warn that giving people money could spark reckless behavior, leading to injuries or even deaths. But a sweeping 11-year analysis of Alaska’s long-running Permanent Fund ...

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, CRISPR, and quantum dots to generate a clear signal ...

One in Three People Carry This Brain Parasite but the Body Has a Kill Switch

Feb. 16, 2026 A parasite that may already be hiding in your brain has a shocking survival trick: it can infect the very immune cells sent to destroy it. Yet most people never get sick, and new research from UVA ...

Lab Grown Human Spinal Cord Heals After Injury in Major Breakthrough

Feb. 16, 2026 Researchers have built a realistic human mini spinal cord in the lab and used it to simulate traumatic injury. The model reproduced key damage seen in real spinal cord injuries, including inflammation and scar formation. After treatment with fast ...

Exercise May Be One of the Most Powerful Treatments for Depression and Anxiety

Feb. 16, 2026 A sweeping review of global research suggests that exercise—especially aerobic activities like running, swimming, and dancing—can be one of the most powerful ways to ease depression and anxiety. ...

Scientists Discover the Enzyme That Lets Cancer Rapidly Rewire Its DNA

Feb. 16, 2026 Researchers have uncovered the enzyme behind chromothripsis, a chaotic chromosome-shattering event seen in about one in four cancers. The enzyme, N4BP2, breaks apart DNA trapped in tiny cellular structures, unleashing a burst of genetic changes that ...

This Planet Friendly Diet Could Cut Your Risk of Early Death by 23%

Feb. 15, 2026 A major new study suggests that eating the Nordic way could help you live significantly longer—while also helping the planet. Researchers from Aarhus University found that people who closely followed the 2023 Nordic dietary guidelines had a 23% ...

Latest Headlines

updated 7:09am EST

Brain Inflammation May Be Driving Compulsive Behavior

Feb. 16, 2026 For years, compulsive behaviors have been viewed as bad habits stuck on autopilot. But new research in rats found the opposite: inflammation in a key decision-making brain region actually made ...

Large Study Finds No Link Between mRNA COVID Vaccine in Pregnancy and Autism

Feb. 15, 2026 Researchers tracked more than 400 toddlers to see whether mRNA COVID-19 vaccination during or just before pregnancy was linked to autism or ...

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 ...

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 ...

Scientists Find Nerves Actively Fuel Pancreatic Cancer

Feb. 15, 2026 Scientists have uncovered a hidden partnership between pancreatic cancer and the nervous system. Support cells in the pancreas lure nerve fibers, which then release signals that accelerate early ...

Massive Study Finds Most Statin Side Effects Aren’t Caused by the Drugs

Feb. 15, 2026 A massive review of 23 randomized trials found that statins do not cause the vast majority of side effects listed on their labels. Memory problems, depression, sleep issues, weight gain, and many ...

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 ...

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 ...

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 ...

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. ...

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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 — ...

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 ...