Top Health News

October 22, 2025

Top Headlines

Running Fixes What Junk Food Breaks in the Brain

Oct. 21, 2025 — New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being and balanced key hormones like insulin and leptin. ...

Scientists Create LED Light That Kills Cancer Cells Without Harming Healthy Ones

Oct. 20, 2025 — A new light-driven cancer therapy uses LEDs and tin nanoflakes to kill tumors safely and affordably. Developed by teams in Texas and Portugal, it eliminates up to 92% of skin cancer cells without ...

How This Odd-looking Animal Outsmarted Aging

Oct. 20, 2025 — Naked mole-rats seem to have found nature’s cheat code for longevity. Scientists discovered that small tweaks in one of their proteins make it better at fixing DNA damage, helping the animals resist aging. Even fruit flies with the same changes ...

Are Cancer Surgeries Removing the Body’s Secret Weapon Against Cancer?

Oct. 20, 2025 — Scientists have found that preserving lymph nodes during cancer surgery could dramatically improve how patients respond to immunotherapy. The research shows that lymph nodes are essential for training and sustaining cancer-fighting T cells. Removing ...

Scientists Reveal the Best Exercise to Ease Knee Arthritis Pain

Oct. 20, 2025 — A sweeping review of over 200 studies finds that aerobic exercises like walking and cycling offer the best pain relief and mobility gains for knee osteoarthritis. Compared to other types of exercise, aerobic training showed the strongest evidence ...

Your DNA May Shape How You Use Cannabis

Oct. 20, 2025 — A major collaboration between UC San Diego and 23andMe identified genes that shape cannabis use behaviors. The study linked the CADM2 and GRM3 genes to cannabis use and connected these patterns to more than 100 traits across mental and physical ...

This New Iron Supplement Heals Anemia Without Hurting Your Gut

Oct. 20, 2025 — Researchers have created a new iron supplement that merges iron, probiotics, and prebiotics. This “three-in-one” formula restores iron levels while maintaining gut health and preventing inflammation. In mice studies, it normalized hemoglobin and ...

The Hidden Evolution Making Men’s Sperm More Dangerous with Age

Oct. 19, 2025 — Groundbreaking research shows that as men age, harmful genetic mutations in sperm become more common—not just from random chance, but because some are naturally favored. Advanced sequencing revealed dozens of genes under selective pressure, many ...

This Powerful Drug Combo Cuts Prostate Cancer Deaths by 40%

Oct. 19, 2025 — A new drug combo of enzalutamide and hormone therapy has been shown to extend survival for men with recurring prostate cancer, reducing death risk by over 40%. The study followed more than 1,000 patients worldwide and was led by Cedars-Sinai ...

Cancer Patients Who Got a COVID Vaccine Lived Much Longer

Oct. 19, 2025 — A groundbreaking study reveals that cancer patients who received a COVID-19 mRNA vaccine within 100 days of starting immunotherapy lived dramatically longer than those who didn’t. Researchers from the University of Florida and MD Anderson Cancer ...

These 80-year-olds Have the Memory of 50-year-olds. Scientists Finally Know Why

Oct. 19, 2025 — SuperAgers defy normal aging by keeping sharp memories and healthy brains well into their 80s. Northwestern scientists discovered that these individuals either resist the buildup of harmful brain ...

Breakthrough Cancer Therapy Stops Tumor Growth Without Harming Healthy Cells

Oct. 19, 2025 — Scientists have found a new way to stop cancer growth without damaging healthy cells. Researchers from the Francis Crick Institute and Vividion Therapeutics discovered a compound that blocks the ...

Latest Headlines

updated 11:07am EDT

Forget Fiber. Science Just Found the Foods That Really Help Constipation

Oct. 22, 2025 — Researchers at King’s College London have created the first evidence-based dietary guidelines for chronic constipation, finding real relief may come from kiwifruit, rye bread, and mineral water. ...

A “toxic Duo” May Be the Hidden Trigger Behind Alzheimer’s Disease

Oct. 22, 2025 — Scientists have uncovered a toxic alliance between Aβ and fibrinogen that may explain how Alzheimer’s disease begins. The two proteins together create stubborn clots that damage blood vessels and ...

This Everyday Vitamin Could Be the Closest Thing We Have to an “anti-Aging Pill”

Oct. 22, 2025 — A study found that daily vitamin D supplements helped slow telomere shortening—the cellular process linked to aging and disease. Researchers ...

Doctors Just Found a Way to Slow One of the Deadliest Prostate Cancers

Oct. 21, 2025 — A powerful new drug combination—niraparib added to standard prostate cancer therapy—has been shown to significantly delay disease progression in men with specific DNA repair gene mutations. In ...

Scientists Discover How a High-Fat Keto Diet Could Keep Your Brain Young

Oct. 21, 2025 — Mizzou scientists are exploring how a ketogenic diet may protect the brain and prevent Alzheimer’s in people genetically predisposed to it. Their study found that female mice with the APOE4 gene ...

This Simple Innovation Could Change Blood Pressure Testing Forever

Oct. 21, 2025 — Scientists from the University of Exeter has developed a precise method to interpret ankle blood pressure readings—an innovation that could transform care for people unable to have their arm blood ...

Brain Fog During Menopause? Here’s What’s Really Going on

Oct. 21, 2025 — Menopause brings profound shifts not just in hormones but in the very structure of the brain. Scientists have found that gray matter in regions tied to memory and thinking can shrink, while white ...

How Just Minutes of Running Can Supercharge Your Health

Oct. 21, 2025 — Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can improve cardiovascular health, regulate blood sugar, and reduce body fat ...

Bird Flu Hiding in Cheese? The Surprising New Discovery

Oct. 21, 2025 — Researchers discovered that avian influenza (H5N1) can survive in raw milk cheese made from contaminated milk, even after the 60-day aging process required by the FDA. However, highly acidic cheeses ...

Scientists Detect Hidden Brain Damage Years Before MS Symptoms

Oct. 21, 2025 — Scientists at UCSF have uncovered evidence that multiple sclerosis silently damages the brain years before diagnosis. By studying proteins in blood samples, they identified early immune signals and ...

Stanford’s Tiny Eye Chip Helps the Blind See Again

Oct. 22, 2025 — A wireless eye implant developed at Stanford Medicine has restored reading ability to people with advanced macular degeneration. The PRIMA chip works with smart glasses to replace lost photoreceptors ...

Scientists Find Immune Drug That Could Halt Skin Cancer’s Deadly Spread

Oct. 20, 2025 — Researchers found that pembrolizumab, an immune-activating cancer drug, lowered the risk of distant metastases in patients with Merkel cell carcinoma after surgery. Though recurrence rates overall ...

Tiny AI-Powered Eye Implant Helps the Blind See Again

Oct. 20, 2025 — A groundbreaking retinal implant called PRIMA has enabled blind patients with dry AMD to read again. The chip, powered by light and paired with AR glasses, sends visual data directly to the brain. In ...

How Cutting Lipids Could Starve Breast Cancer

Oct. 19, 2025 — Researchers found that triple-negative breast cancer cells are “addicted” to lipids, a feature tied to obesity. By studying mice, they discovered that high lipid levels alone accelerate tumor ...

Can Ozempic Help You Cut Back on Alcohol? Researchers Think So

Oct. 18, 2025 — Semaglutide, tirzepatide, and other GLP-1 drugs appear to slow alcohol absorption and blunt its intoxicating effects, according to new research. The study found participants on these medications felt ...

From Poison to Power: How Lead Exposure Helped Shape Human Intelligence

Oct. 16, 2025 — Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became. Scientists studying ancient teeth found that early humans, great apes, and even ...

Tiny Brain Nanotubes Found by Johns Hopkins May Spread Alzheimer’s

Oct. 16, 2025 — Johns Hopkins scientists uncovered microscopic “nanotube” channels that neurons use to transfer toxic molecules. While this process clears waste, it can also spread harmful proteins like ...

Scientists Grow Mini Human Livers That Predict Toxic Drug Reactions

Oct. 15, 2025 — A new human liver organoid microarray developed by Cincinnati Children’s and Roche recreates immune-driven liver injury in the lab. Built from patient-derived stem cells and immune cells, it ...

Your Brain’s Power Supply May Hold the Key to Mental Illness

Oct. 14, 2025 — Groundbreaking Harvard research is exposing hidden energy failures inside brain cells that may drive major psychiatric conditions. By studying reprogrammed neurons, scientists are revealing how ...

C-Section Births Linked to Sleepless Nights and Painful Recoveries

Oct. 13, 2025 — Women who undergo C-sections are more likely to experience debilitating pain and sleep disorders in the months after giving birth. Researchers found both qualitative and large-scale data supporting ...

Your Skin Could Warn of Hidden Mental Health Trouble

Oct. 13, 2025 — People experiencing their first psychotic episode who also have skin conditions such as rashes or itching are at greater risk of depression and suicidal thoughts, according to new research presented ...

Fentanyl Overdoses Among Seniors Surge 9,000% — A Hidden Crisis Few Saw Coming

Oct. 13, 2025 — Overdose deaths from fentanyl mixed with stimulants have skyrocketed among seniors, increasing 9,000% in just eight years. Once thought to affect mainly the young, the opioid epidemic’s fourth wave ...

Your Type of Depression Could Shape Your Body’s Future Health

Oct. 12, 2025 — Different types of depression affect the body in different ways. Atypical, energy-related depression raises the risk of diabetes, while melancholic depression increases the likelihood of heart ...

Keto Diet Shields Young Minds from Early-Life Trauma

Oct. 12, 2025 — Young rats given a ketogenic diet were largely protected from the mental and behavioral issues caused by prenatal stress. The high-fat, low-carb diet appeared to safeguard brain development and ...

Stanford Scientists Grow Thousands of Mini Human Brains Using Common Food Additive

Oct. 18, 2025 — Stanford scientists have solved a long-standing challenge in growing brain organoids by using a simple food additive to keep them from sticking together. The breakthrough enables the production of ...

Scientists Finally Read the Hidden DNA Code That Shapes Disease

Oct. 18, 2025 — EMBL researchers created SDR-seq, a next-generation tool that decodes both DNA and RNA from the same cell. It finally opens access to non-coding regions, where most disease-associated genetic ...

New Research Reveals How ADHD Sparks Extraordinary Creativity

Oct. 13, 2025 — Researchers have discovered that ADHD’s hallmark mind wandering might actually boost creativity. People who deliberately let their thoughts drift scored higher on creative tests in two large ...

This Experimental “super Vaccine” Stopped Cancer Cold in the Lab

Oct. 13, 2025 — UMass Amherst researchers have developed a groundbreaking nanoparticle-based cancer vaccine that prevented melanoma, pancreatic, and triple-negative breast cancers in mice—with up to 88% remaining ...

Scientists Find Gold Hiding in Food Waste

Oct. 12, 2025 — Researchers are finding extraordinary new uses for what we throw away. Beet pulp may help crops resist disease, while composted coconut fibers could replace peat moss. Discarded radish and beet ...

Exercise Might Be the Key to a Younger, Sharper Immune System

Oct. 14, 2025 — Endurance exercise may train the immune system as much as the muscles. Older adults with decades of running or cycling had immune cells that functioned better and aged more slowly. Their inflammation ...