Health & Medicine News

January 5, 2026

Top Headlines

Everyday Chemicals Are Quietly Damaging Beneficial Gut Bacteria

Jan. 5, 2026 A large study has revealed that dozens of widely used chemicals can damage beneficial gut bacteria. Many of these substances, found in pesticides and everyday industrial products, were never thought to affect living organisms at all. When gut ...

This CRISPR Breakthrough Turns Genes on Without Cutting DNA

Jan. 5, 2026 A new CRISPR breakthrough shows scientists can turn genes back on without cutting DNA, by removing chemical tags that act like molecular anchors. The work confirms these tags actively silence genes, settling a long-running scientific debate. This ...

Scientists Find a Safer Way to Make Cells Burn More Calories

Jan. 5, 2026 Researchers have developed experimental compounds that make cells burn more calories by subtly tweaking how mitochondria produce energy. Older versions of these chemicals were once used for weight loss—but were banned for being deadly. The new ...

Brain Scans May Finally End the Guesswork in Depression Treatment

Jan. 4, 2026 Researchers compared a traditional Chinese medicine, Yueju Pill, with a standard antidepressant and found both reduced depression symptoms. However, only Yueju Pill increased a brain-supporting protein associated with mood improvement. Brain imaging ...

The Invisible Microbes That Help Keep Us Healthy

Jan. 4, 2026 Not all microbes are villains—many are vital to keeping us healthy. Researchers have created a world-first database that tracks beneficial bacteria and natural compounds linked to immune strength, stress reduction, and resilience. The findings ...

A Smarter Way to Screen for Breast Cancer Is Emerging

Jan. 4, 2026 A groundbreaking study shows that breast cancer screening works better when it’s personalized. Instead of annual mammograms for all, women were screened based on genetics, health history, and lifestyle factors. This approach reduced advanced ...

Breakthrough Obesity Drugs Are Here but Not for Everyone

Jan. 4, 2026 UK experts are warning that access to new weight-loss drugs could depend more on wealth than medical need. Strict NHS criteria mean only a limited number of patients will receive Mounjaro, while many others must pay privately. Researchers say this ...

Type 2 Diabetes Physically Changes the Human Heart, Study Finds

Jan. 4, 2026 Type 2 diabetes doesn’t just raise the risk of heart disease—it physically reshapes the heart itself. Researchers studying donated human hearts found that diabetes disrupts how heart cells produce energy, weakens the muscle’s structure, and ...

Scientists Found a Way to Help Aging Guts Heal Themselves

Jan. 3, 2026 Researchers have discovered a way to help aging intestines heal themselves using CAR T-cell therapy. By targeting senescent cells that build up over time, the treatment boosted gut regeneration, reduced inflammation, and improved nutrient absorption ...

A Weak Body Clock May Be an Early Warning for Dementia

Jan. 3, 2026 Your daily rhythm may matter more for brain health than previously thought. Older adults with weaker, more disrupted activity patterns were far more likely to develop dementia than those with steady routines. A later daily energy peak was also ...

Scientists Tested Intermittent Fasting Without Eating Less and Found No Metabolic Benefit

Jan. 3, 2026 Time-restricted eating has been widely promoted as a simple way to boost metabolic health, but new research paints a more complicated picture. When calorie intake stayed the same, an eight-hour ...

Age Does Not Stop Nerve Healing After Spinal Cord Injury

Jan. 3, 2026 As spinal cord injuries increasingly affect older adults, new research reveals a surprising pattern in recovery. The study shows that aging does not appear to slow the healing of nerves themselves, with older patients regaining strength and ...

Latest Headlines

updated 5:49am EST

New Antibiotic Pill Shows Promise Against Drug-Resistant Gonorrhea

Jan. 3, 2026 A one-dose oral drug called zoliflodacin has proven highly effective against gonorrhoea in a major international trial. The pill matched the success of current treatments while avoiding injections ...

Scientists Discover Why Mental Disorders So Often Overlap

Jan. 3, 2026 A massive global genetics study is reshaping how we understand mental illness—and why diagnoses so often pile up. By analyzing genetic data from more than six million people, researchers uncovered ...

A Hidden Brain Problem May Be an Early Warning for Alzheimer’s

Jan. 3, 2026 Researchers discovered that clogged brain “drains” show up early in people at risk of Alzheimer’s disease. These blockages, easily seen on standard MRI scans, are tied to toxic protein buildup ...

Menopause Symptoms Are Common Even in Elite Endurance Athletes

Jan. 2, 2026 Menopause symptoms are common among female endurance athletes and often interfere with training and performance. A survey of women aged 40–60 who train regularly found high rates of sleep problems, ...

Diabetes Drugs May Be Changing Cancer in Surprising Ways

Jan. 2, 2026 Common diabetes drugs may do more than regulate blood sugar—they could also influence how cancers grow, spread, or slow down. Researchers are now unraveling how these medications affect immune ...

A New Gel Could Help People Get Their Voices Back

Jan. 2, 2026 A new gel developed by McGill researchers could change how vocal cord injuries are treated. The injectable material lasts far longer than current options, staying intact for weeks instead of breaking ...

A Hidden Cellular Breakdown May Be Driving Dry Eye Disease

Jan. 2, 2026 Dry eye disease affects millions of people, causing burning, redness, and constant eye fatigue that can worsen over time. Scientists now believe the problem may begin deep inside tear glands, where a ...

This Tiny Nerve May Help Keep the Heart Young

Jan. 1, 2026 A new study suggests the vagus nerve may be one of the heart’s most important defenders against aging. Researchers found that keeping this nerve connected to the heart helps protect heart cells and ...

Myth Busted: Your Body Isn’t Canceling out Your Workout

Jan. 1, 2026 Being active boosts your daily calorie burn more than previously thought. Researchers found that increased physical activity raises total energy use without triggering the body to conserve energy ...

A Key Alzheimer’s Gene Emerges in African American Brain Study

Jan. 1, 2026 Scientists studying Alzheimer’s in African Americans have uncovered a striking genetic clue that may cut across racial lines. In brain tissue from more than 200 donors, the gene ADAMTS2 was ...

ADHD Drugs Don’t Work the Way We Thought

Dec. 25, 2025 ADHD stimulants appear to work less by sharpening focus and more by waking up the brain. Brain scans revealed that these medications activate reward and alertness systems, helping children stay ...

Even One Drink a Day May Raise Mouth Cancer Risk

Dec. 30, 2025 New research suggests that even light alcohol use may carry serious risks. A large study in India found that drinking just one standard drink a day is linked to a roughly 50% higher risk of mouth ...

Scientists Reverse Alzheimer’s in Mice and Restore Memory

Dec. 24, 2025 Alzheimer’s has long been considered irreversible, but new research challenges that assumption. Scientists discovered that severe drops in the brain’s energy supply help drive the disease—and ...

MIT Study Shows High-Fat Diets Give Liver Cancer a Dangerous Head Start

Dec. 31, 2025 A high-fat diet does more than overload the liver with fat. New research from MIT shows that prolonged exposure to fatty foods can push liver cells into a survival mode that quietly raises the risk ...

Scientists Found a Way to Restore Brain Blood Flow in Dementia

Dec. 25, 2025 A new study suggests that dementia may be driven in part by faulty blood flow in the brain. Researchers found that losing a key lipid causes blood vessels to become overactive, disrupting circulation ...

What Cannabis Really Does for Chronic Pain

Dec. 30, 2025 Cannabis products with higher THC levels may slightly reduce chronic pain, particularly nerve pain, according to a review of multiple clinical trials. The improvement was small and short-lived, while ...

A Surprising Brain Cleanup Reduced Epileptic Seizures and Restored Memory

Dec. 25, 2025 A new study suggests temporal lobe epilepsy may be linked to early aging of certain brain cells. When researchers removed these aging cells in mice, seizures dropped, memory improved, and some ...

Scientists Find a Weak Spot in Deadly Fungus That Shut Down Hospital Intensive Care Units

Dec. 23, 2025 A deadly hospital fungus that resists nearly every antifungal drug may have an unexpected weakness. Researchers discovered that Candida auris activates specific genes during infection to hunt for ...

A New Tool Is Revealing the Invisible Networks Inside Cancer

Dec. 21, 2025 Spanish researchers have created a powerful new open-source tool that helps uncover the hidden genetic networks driving cancer. Called RNACOREX, the software can analyze thousands of molecular ...

An 11-Year-Old Needed Two New Organs and Doctors Made History

Dec. 19, 2025 In a rare and historic achievement, Children’s Hospital Colorado successfully completed its first dual heart and liver transplant in a pediatric patient. The life-saving surgery was performed on ...

This Ultra-Sensitive Imaging System Can Spot Cancer Earlier

Dec. 23, 2025 A new imaging technology can distinguish cancerous tissue from healthy cells by detecting ultra-weak light signals. It relies on nanoparticles that bind to tumor markers, making cancerous areas ...

Your Roommate’s Genes May Be Shaping Your Gut Bacteria

Dec. 23, 2025 Scientists studying thousands of rats discovered that gut bacteria are shaped by both personal genetics and the genetics of social partners. Some genes promote certain microbes that can spread ...

Swearing May Unlock Hidden Strength, Study Finds

Dec. 30, 2025 Letting a swear word fly when you’re struggling might do more than blow off steam—it could actually make you stronger. Research published by the American Psychological Association found that ...

A New Drug Could Stop Alzheimer’s Before Memory Loss Begins

Dec. 22, 2025 New research suggests Alzheimer’s may start far earlier than previously thought, driven by a hidden toxic protein in the brain. Scientists found that an experimental drug, NU-9, blocks this early ...

Deaths of Despair Were Rising Long Before Opioids

Dec. 20, 2025 Long before opioids flooded communities, something else was quietly changing—and it may have helped set the stage for today’s crisis. A new study finds that as church attendance dropped among ...

The 98% Mystery: Scientists Just Cracked the Code on “junk DNA” Linked to Alzheimer’s

Dec. 19, 2025 Researchers have revealed that so-called “junk DNA” contains powerful switches that help control brain cells linked to Alzheimer’s disease. By experimentally testing nearly 1,000 DNA switches ...

MIT Scientists Find a Way to Rejuvenate the Immune System as We Age

Dec. 29, 2025 As the immune system weakens with age, scientists have found a way to restore some of its lost strength. By delivering mRNA to the liver, they created a temporary source of immune-boosting signals ...

Study Links Full-Fat Cheese to Lower Dementia Risk

Dec. 21, 2025 Eating full-fat cheese and cream may be associated with a lower risk of dementia, according to a large study that tracked people for more than 25 years. Those who consumed higher amounts of these ...

Parkinson’s Breakthrough Changes What We Know About Dopamine

Dec. 22, 2025 A new study shows dopamine isn’t the brain’s movement “gas pedal” after all. Instead of setting speed or strength, it quietly enables movement in the background, much like oil in an engine. ...

After the LA Fires Hospitals Saw a Sudden Surge in Illness

Dec. 29, 2025 After the January 2025 LA wildfires, hospitals recorded a surge in serious health problems. Emergency visits for heart attacks, lung illness, and general sickness rose sharply in the following three ...