Health & Medicine News

March 14, 2026

Top Headlines

Gut Bacteria That Make Serotonin May Hold the Key to IBS

Mar. 13, 2026 Researchers have identified two gut bacteria that can produce serotonin, a key chemical that regulates bowel movements. In experiments with mice lacking serotonin, the microbes boosted serotonin levels, increased nerve cells in the colon, and ...

Microplastics May Be Quietly Damaging Your Brain and Fueling Alzheimer’s and Parkinson’s

Mar. 13, 2026 Tiny plastic particles may be quietly threatening brain health. New research suggests microplastics—now widely found in food, water, and even household dust—could trigger inflammation and damage ...

Study Finds Two Types of Colon Polyps Can Raise Bowel Cancer Risk Fivefold

Mar. 13, 2026 Researchers studying over 8,400 colonoscopies discovered that having both adenomas and serrated polyps in the bowel can raise the risk of serious precancerous changes by up to five times. These two polyp types may represent separate cancer pathways ...

Severe COVID or Flu May Raise Lung Cancer Risk Years Later

Mar. 13, 2026 A severe case of COVID-19 or influenza could increase the risk of lung cancer later on, according to new research. Scientists discovered that serious viral infections can alter immune cells in the lungs, leaving behind chronic inflammation that may ...

Monty Python Got It Wrong About Medieval Disease

Mar. 13, 2026 In medieval Denmark, people could pay for more prestigious graves closer to the church — a sign of wealth and status. But when researchers examined hundreds of skeletons, they discovered something unexpected: even people with stigmatized diseases ...

A “Mirror” Molecule Can Starve Cancer Cells Without Harming Healthy Cells

Mar. 12, 2026 Scientists have discovered that a rare “mirror-image” version of the amino acid cysteine can dramatically slow the growth of certain cancers while leaving healthy cells largely untouched. Unlike ...

Depression May Start with an Energy Problem in Brain Cells

Mar. 12, 2026 Researchers have discovered a surprising change in how cells produce energy in people with depression. Brain and blood cells in young adults with major depressive disorder produced more energy molecules at rest but had trouble increasing energy ...

A Surprising Blood Protein Pattern May Reveal Alzheimer’s

Mar. 12, 2026 A new study suggests Alzheimer’s disease may be detectable through subtle shape changes in proteins found in the blood. Researchers discovered that structural differences in three blood proteins closely track the progression of the disease. By ...

New "Super Antibiotic" Stops Deadly Gut Infection Without Destroying the Microbiome

Mar. 11, 2026 A newly developed antibiotic called EVG7 could offer a powerful new way to stop Clostridioides difficile, a dangerous gut bacterium that often returns after treatment. In mouse studies, researchers ...

Scientists Solve the Mystery of a Vitamin B5 Molecule That Powers Your Cells

Mar. 11, 2026 Coenzyme A, a molecule derived from vitamin B5, is vital for metabolism throughout the body. Scientists discovered that most of it resides inside mitochondria, yet how it reached these cellular ...

Scientists Turn Brain Cells Into Alzheimer’s Plaque Cleaners

Mar. 11, 2026 Scientists have developed a promising new approach to treating Alzheimer’s disease by turning ordinary brain cells into powerful plaque-clearing machines. Instead of requiring frequent antibody infusions like current therapies, the experimental ...

Scientists May Have Found a Pill for Sleep Apnea

Mar. 11, 2026 A European clinical trial found that the drug sulthiame significantly reduced breathing interruptions in people with moderate to severe sleep apnea. Patients taking higher doses experienced up to 47% fewer pauses in breathing and improved oxygen ...

Latest Headlines

updated 8:17am EDT

Textbooks Were Wrong: Scientists Reveal the Surprising Way Human Hair Really Grows

Mar. 14, 2026 Hair may grow in a completely different way than scientists once believed. Instead of being pushed out from the root, new research shows that moving ...

A Lab Mistake at Cambridge Reveals a Powerful New Way to Modify Drug Molecules

Mar. 14, 2026 Cambridge scientists have discovered a light-powered chemical reaction that lets researchers modify complex drug molecules at the final stages of ...

Cannabis Study Finds THC Can Create False Memories

Mar. 11, 2026 THC doesn’t just blur memories—it can create new ones that never happened. In a controlled experiment, cannabis users were much more likely to recall words that were never shown and struggled ...

Omega-3 Fish Oil Supplements Cut Heart Attacks and Strokes by 43% in Dialysis Patients

Mar. 10, 2026 A major international trial has found that daily fish oil supplements significantly reduced life-threatening cardiovascular events in dialysis ...

AI Finally Tests a Century Old Theory About How Cancer Begins

Mar. 10, 2026 Cancer often begins when the genetic instructions that guide our cells become scrambled, allowing cells to grow uncontrollably. Now, scientists at EMBL have developed an AI-powered system called ...

Scientists Discover Molecule That Stops Aggressive Breast Cancer in Its Tracks

Mar. 10, 2026 Scientists at Oregon Health & Science University have developed a new molecule that could open the door to treating triple-negative breast cancer, ...

Stanford Scientists Say Colorblindness May Hide a Deadly Bladder Cancer Warning

Mar. 10, 2026 Colorblindness may be doing more than making traffic lights confusing — it could also be hiding a life-threatening warning sign. Researchers ...

Researchers Find Alarming Alzheimer’s Pattern in Rural America

Mar. 10, 2026 A new analysis of more than 422,000 patients reveals a stark Alzheimer’s care gap between Maryland’s urban and rural communities. Rural regions often lack hospitals and dementia specialists, ...

Hidden Metabolism Found Operating Inside the Cell Nucleus

Mar. 9, 2026 Researchers have found hundreds of metabolic enzymes attached to human DNA inside the cell nucleus. Different tissues and cancers show unique patterns of these enzymes, forming a “nuclear metabolic ...

Scientists Found a Surprising Way to Make Exercise Work Better

Mar. 9, 2026 Exercise normally boosts the body’s ability to use oxygen, a key marker of health and longevity — but high blood sugar can block that benefit. Researchers found that a ketogenic diet helped mice ...

Brain Scans Reveal How Ketamine Quickly Lifts Severe Depression

Mar. 8, 2026 A new brain-imaging study has revealed how ketamine produces its fast antidepressant effects in people with treatment-resistant depression. Researchers tracked changes in a critical brain receptor ...

A New “magic Mushroom” Drug Could Treat Depression Without Psychedelic Hallucinations

Mar. 8, 2026 Scientists are exploring a new way to harness the medical promise of psychedelic compounds without the mind-bending side effects. Researchers created modified versions of psilocin — the active form ...

Parents’ Stress May Be Quietly Driving Childhood Obesity, Yale Study Finds

Mar. 8, 2026 A Yale study found that lowering parent stress can help protect young children from obesity. When parents practiced mindfulness and stress-management skills, their kids showed healthier eating ...

Scientists Discover Hidden Brain Cells That May Stop Alzheimer’s Tau Buildup

Mar. 8, 2026 Scientists have uncovered a surprising new role for little-known brain cells called tanycytes that may influence the development of Alzheimer’s disease. These specialized cells appear to help ...

Cannabis Compounds CBD and CBG May Help Reverse Fatty Liver Disease, Study Finds

Mar. 6, 2026 CBD and CBG, two non-intoxicating cannabis compounds, may help combat fatty liver disease by boosting liver energy reserves and restoring cellular cleanup systems. In the study, both compounds ...

Scientists Discover a Brain Signal That May Trigger Autism’s Domino Effect

Mar. 7, 2026 Researchers have uncovered a surprising molecular chain reaction in the brain that may play a role in some forms of autism. The study suggests that nitric oxide, a tiny signaling molecule normally ...

Boosting a Key Brain Protein Could Help Treat Rett Syndrome

Mar. 6, 2026 Researchers have discovered a new way to increase a key brain protein damaged in Rett syndrome, a rare genetic disorder that affects thousands of children worldwide. Early studies in mice and ...

Scientists Discover the Brain Protein That Drives Cocaine Relapse

Mar. 6, 2026 Cocaine addiction isn’t simply a failure of willpower — it’s the result of lasting biological changes in the brain. Researchers at Michigan State University discovered that repeated cocaine use ...

AI Blood Test Finds Silent Liver Disease Years Before Symptoms

Mar. 6, 2026 Researchers created an AI-driven liquid biopsy that scans patterns in fragments of DNA circulating in the blood. The system detected early liver fibrosis and cirrhosis—conditions that often go ...

New Drug Cuts Seizures by Up to 91% in Children With Rare Epilepsy

Mar. 4, 2026 A new experimental drug is showing remarkable promise for children with Dravet syndrome, a severe genetic form of epilepsy. In clinical trials, the treatment zorevunersen cut seizures by as much as ...

Ozempic-Like Weight Loss Drugs May Help the Heart Recover After a Heart Attack

Mar. 4, 2026 Popular weight-loss drugs such as Ozempic, Wegovy, and Mounjaro may do more than help people shed pounds. New research suggests these GLP-1 medications could also help protect the heart after a heart ...

Laser Printed Hydrogel Implant Could Transform Bone Repair

Mar. 3, 2026 When a bone break is too severe to heal on its own, surgeons often rely on grafts or rigid metal implants — but both come with serious drawbacks. Now, researchers at ETH Zurich have created a ...

Scientists Find the Genetic Switch That Makes Pancreatic Cancer Resist Chemotherapy

Mar. 3, 2026 Scientists have identified a crucial molecular switch that decides whether pancreatic cancer cells resist chemotherapy or respond to it. The key player, a gene called GATA6, keeps tumours in a more ...

A Simple Hand Photo May Be the Key to Detecting a Serious Disease

Mar. 4, 2026 Researchers at Kobe University have developed an AI system that can detect acromegaly, a rare hormone disorder, by analyzing photos of the back of the hand and a clenched fist. The disease often ...

Teens Sleep Longer and Perform Better When School Starts Later

Mar. 11, 2026 Teenagers naturally fall asleep later, which makes early school start times a recipe for chronic sleep deprivation. Researchers studying a Swiss high school that introduced flexible start times found ...

Scientists Discover the Protein That Malaria Parasites Can’t Live Without

Mar. 5, 2026 Scientists have uncovered a crucial weakness in the malaria parasite that could open the door to new treatments. Researchers identified a protein called Aurora-related kinase 1 (ARK1) that acts like ...

Scientists Discover the Genetic Switch That Keeps Your Organs Healthy

Mar. 1, 2026 Scientists have uncovered a powerful genetic switch that helps some of the body’s most important immune cells grow up properly and keep our organs healthy. The switch, called MafB, guides immature ...

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 ...

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 ...

Millions Take Aspirin to Prevent Colon Cancer. A Major Review Says Don’t Count on It

Mar. 4, 2026 Daily aspirin does not reliably prevent bowel cancer in people at average risk, according to a major new review. Any potential protective effect may take more than a decade to appear — if it ...