Top Health News

October 4, 2026

Top Headlines

Your Gut Bacteria May Reveal How Fast Your Brain Is Aging

Oct. 4, 2026 A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that biological signs of brain aging may appear decades ...

Vitamin D Drug May Help Crack Pancreatic Cancer’s Protective Shield

Oct. 3, 2026 A vitamin D analog may help break down pancreatic cancer’s protective defenses, potentially making tumors more vulnerable to chemotherapy and immune attack. A small clinical trial found encouraging responses, especially in patients whose tumors ...

Diet Drinks Work as Well as Water for Weight Loss, Major Trial Finds

Oct. 3, 2026 A two-year randomized clinical trial involving 493 adults with overweight or obesity found that diet soft drinks were essentially as effective as water for long-term weight loss and weight maintenance. Participants drinking beverages sweetened with ...

This Protective Enzyme Could Help Stop Fatty Liver Disease from Getting Worse

Oct. 3, 2026 Scientists have identified an enzyme that may act as a natural defense against the worsening of fatty liver disease, which affects an estimated 100 million Americans. The enzyme, called UBE2N, helps ...

Leucine Does More Than Build Muscle. It Powers Up Your Cells

Oct. 3, 2026 The essential amino acid leucine can boost cellular energy production by protecting key proteins on mitochondria from being destroyed. The discovery reveals a new connection between nutrition and metabolism that could eventually lead to new ...

Your Gut May Be Making a Molecule That Raises Alzheimer’s Risk

Oct. 3, 2026 Scientists have linked a gut bacterial compound called ImP to greater Alzheimer’s risk, harmful brain protein buildup, and faster cognitive decline. The finding raises the possibility that reducing ImP in the blood could one day help slow or ...

Cancer Stem Cells Have an “Energy Addiction” Scientists May Be Able to Exploit

Oct. 2, 2026 High-risk MDS stem cells appear to have an unexpected “energy addiction,” relying far more heavily than healthy blood-forming cells on a molecule called NAD. Disrupting this energy pathway ...

Scientists May Have Found a “Unifying Theory” of Chronic Fatigue

Oct. 1, 2026 Scientists found that five seemingly unrelated conditions, including long Covid, ME/CFS, and PTSD, may disrupt many of the same biological networks involved in immunity, metabolism, and cellular energy. The findings could help explain their shared ...

This Diet May Slow Brain Aging by 2.5 Years

Oct. 1, 2026 People who followed the MIND diet more closely showed slower brain shrinkage and less grey matter loss over time, with the strongest differences equivalent to about 2.5 years of delayed brain aging. Berries and poultry were linked with healthier ...

Could Quitting Ultra-processed Food Boost Your Mental Health?

Oct. 1, 2026 People with depression who dramatically cut ultra-processed foods experienced notable improvements in their symptoms in a small preliminary study. Researchers suspect healthier eating may benefit the brain partly by reducing gut damage and chronic ...

Alzheimer’s Risk Gene APOE4 May Have a Reversible Weakness

Oct. 1, 2026 The Alzheimer’s risk gene APOE4 may actively damage brain blood vessels and sabotage the cellular systems that remove harmful proteins. Researchers were able to reverse some of these effects in experiments, revealing promising new targets for ...

This Common Mistake Can Add Nearly 7 Points to Your Blood Pressure Reading

Sep. 30, 2026 A common mistake during blood pressure checks could make readings appear substantially higher than they really are. Johns Hopkins researchers found that leaving the arm unsupported can raise systolic readings by about 6.5 mmHg, potentially affecting ...

Latest Headlines

updated 9:05am EDT

This Common Vitamin Could Help Fight One of the Deadliest Brain Cancers

Oct. 4, 2026 High-dose vitamin B3 is showing intriguing early promise as an addition to standard glioblastoma treatment, with 82% of patients in a small trial remaining progression-free after six months. ...

Vitamin C Linked to Fewer Deaths in Blood Disorder Trial

Oct. 3, 2026 Vitamin C may do more than support the immune system. In a phase 2 trial of people with precancerous or low risk blood cancers, daily vitamin C did not slow abnormal cell growth, but it was linked to ...

Nearly 6 in 10 People With High Blood Pressure Don’t Know They Have It

Oct. 2, 2026 Nearly 6 in 10 people with high blood pressure in a large England study had never been diagnosed or treated, and half of those already taking medication still had elevated readings. Researchers say a ...

Even One Strength Training Session a Week Could Make a Difference

Oct. 2, 2026 Strength training may be one of the most powerful tools for staying independent as you age. Age related muscle loss, known as sarcopenia, can make everyday tasks harder while increasing the risk of ...

Weak Sunlight Can Still Damage Your DNA, Scientists Warn

Oct. 1, 2026 Weak sunlight can still damage skin DNA if you spend enough time outdoors, according to a landmark Australian study. Even UV doses too low to cause visible redness triggered cellular damage that ...

1 in 13 Adults Under 30 Already Had Hidden Artery Plaque

Oct. 1, 2026 More than half of 16,000 apparently healthy adults had signs of atherosclerosis, with arterial plaques already detectable in about 1 in 13 people ages 18 to 29. Researchers say directly imaging the ...

Cannabis Users Were Twice as Likely to Commit Violence, Review Finds

Sep. 30, 2026 A review of more than 265,000 people found that cannabis use was associated with higher rates of both committing violence and becoming a victim of it. The researchers say the link is significant but ...

Mulberry May Reshape Gut Bacteria and Influence Metabolism

Sep. 30, 2026 Mulberry compounds may reshape the gut microbiome in ways that support intestinal health and metabolism, with some combinations showing especially strong effects in animal studies. However, the ...

Creatine May Help Build Muscle Even Without Exercise, Researchers Find

Sep. 29, 2026 Creatine helped middle-aged adults gain muscle and strength even without a structured workout program in a new 12-week study. When combined with exercise and a calorie-reduced diet, it produced even ...

Forget LASIK: Safer, Cheaper Vision Correction Without Lasers or Incisions

Sep. 29, 2026 Scientists are developing a possible alternative to LASIK that reshapes the cornea without cutting it or using a laser. The technique uses a small electric potential and a specially shaped platinum ...

Aging Muscles May Be Losing Strength for a Reason Scientists Missed

Sep. 24, 2026 A newly identified breakdown in communication between nerves and muscles could help explain why people lose strength as they age. Researchers were able to improve muscle strength in an animal model ...

When What You See Doesn’t Make Sense, Your Brain Does Something Remarkable

Sep. 24, 2026 The brain may have a built-in way to quickly settle disagreements between regions processing the same scene. Researchers found that matching signals between two visual areas lasted longer, while ...

GLP-1 Weight Loss and Diabetes Drugs Linked to Nutritional Deficiencies in Nearly 1 in 6 Children

Sep. 23, 2026 Children taking GLP-1 medications (such as Victoza, Saxenda, Trulicity, and Ozempic) for weight loss, prediabetes, or type 2 diabetes may face an overlooked risk: nutritional deficiencies. A new ...

Rare Pregnancy Infections May Triple the Risk of Autism

Sep. 23, 2026 A major Swedish study of 3.7 million people has found that rare TORCH infections passed from a pregnant woman to the fetus are linked to much higher risks of autism and intellectual disability later ...

Chronic Stress May Be Quietly Reshaping Your Heart

Sep. 21, 2026 Chronic inflammation tied to stress, lifestyle, mental health, and socioeconomic conditions may silently change the heart for years before any symptoms appear. People with the highest inflammation ...

Stanford Scientists Discover the Human Brain May Actually Be Two Separate Organs

Sep. 21, 2026 Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery ...

More REM Sleep Linked to Lower Risk of 83 Diseases

Sep. 23, 2026 A large study tracking more than 95,000 people suggests that how you sleep may be linked to your risk of developing dozens of diseases. People who spent more time in REM sleep had lower risks of 83 ...

Scientists Find That “perfect” Systems May Be Surprisingly Fragile

Sep. 19, 2026 Complex systems may work better when their parts are not perfectly alike. Northwestern physicists found that carefully balanced variation, or “disorder,” can make networks such as power grids, ...

Ancient DNA Reveals How Plague Kept Returning for 400 Years After the Black Death

Sep. 20, 2026 Ancient DNA reveals that plague repeatedly returned to Europe for more than 400 years after the Black Death, evolving into new lineages and spreading through trade, migration, and war. Researchers ...

Scientists Find the Whole Grain “sweet Spot” for Better Heart Health

Sep. 16, 2026 Eating four to six servings of whole grains a day may deliver meaningful benefits for heart health, according to a large review of 87 clinical trials. Researchers found improvements in body weight, ...

A Major Risk of Breast Cancer Screening May Have Been Overestimated for Decades

Sep. 26, 2026 A new analysis suggests mammograms may lead to far less breast cancer overdiagnosis than some earlier studies indicated. Researchers reexamined all eight major randomized screening trials and ...

Diabetes Study Finds Keeping Blood Sugar Too Steady May Come at a Price

Sep. 28, 2026 People with diabetes reported better quality of life after days when their glucose stayed largely within a healthy range, even when levels fluctuated more than usual. The unexpected finding suggests ...

Your Next Prescription Could Be Treating a Side Effect from the Last One

Sep. 11, 2026 A major Ontario study found 24 common medication chains in which one drug’s side effects can be mistaken for a new medical problem, leading to another prescription. Researchers say closer ...

Study of 1.9 Million People Finds a Striking Link Between ADHD and Gut Problems

Sep. 11, 2026 Researchers analyzing data from more than 1.9 million people found that ADHD is associated with substantially higher rates of digestive problems. People with ADHD had nearly double the odds of ...

Too Much Light at Night May Quietly Reshape Your Heart

Sep. 11, 2026 Nighttime light exposure was linked to thicker, stiffer heart chambers and early signs of reduced heart function in a study of more than 11,000 people. The findings suggest that keeping bedrooms ...

UCLA Scientists Turn Cord Blood Into Powerful Cancer-Fighting T Cells

Sep. 10, 2026 UCLA researchers developed ready-made cancer-fighting T cells from cord blood stem cells that can attack solid tumors through two separate detection systems. In mice, a single dose controlled cancer ...

Hidden Stem Cells May Be Fueling Spinal Stenosis

Sep. 28, 2026 Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the body. In lumbar spinal stenosis, these cells become unusually active and ...

Ozempic and Wegovy Linked to Nearly 40% Fewer Asthma Attacks

Sep. 9, 2026 Semaglutide, the drug found in Ozempic and Wegovy, was linked to nearly 40% fewer asthma attacks in a large real-world study. It was also associated with about 20% fewer COPD flare-ups. Researchers ...

Scientists Find New Virus Behind Mysterious Tick Illness

Sep. 28, 2026 Scientists have discovered a new tick-borne virus in China that causes flu-like illness and may account for previously unexplained cases of fever, fatigue, digestive problems, and low platelet ...

Scientists Found a Surprising Driver of Alzheimer’s Outside the Brain

Sep. 27, 2026 Scientists found that immune cells contributing to Alzheimer’s-related brain damage may be activated in lymph nodes outside the brain before traveling into the nervous system. Blocking this pathway ...