Diseases and Conditions News

August 7, 2026

Top Headlines

Vitamin C May Fight Cancer — But Not the Way Scientists Once Thought

Aug. 7, 2026 Linus Pauling was widely mocked for claiming that vitamin C could fight cancer, especially after trials using vitamin C pills showed no benefit. Researchers now know that intravenous vitamin C reaches vastly higher concentrations and can behave more ...

New Autism Therapy Shows Surprising Benefits Even in Adult Mice

Aug. 7, 2026 Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and repetitive behaviors in autism-related mouse models. The treatment also worked in human brain organoids and showed lasting effects in ...

Wearable Ultrasound Patch Boosts REM Sleep Without Drugs or Surgery

Aug. 7, 2026 A new wearable patch may help people reach REM sleep faster and remain there longer without medication or surgery. In a study of 28 participants, the device shortened the time to REM by 43 minutes and extended it by about 16 minutes. Researchers ...

Scientists Discover a Hidden Brain Shift That Begins Around Age 50

Aug. 6, 2026 Beginning around age 50, the brain’s memory center appears to lose many of its longtime immune cells and replace them with more inflammatory ones. This surprising shift may help explain how normal aging sets the stage for Alzheimer’s disease and ...

Nearly Half of Dementia Cases May Be Linked to Risks You Can Change

Aug. 6, 2026 A long-term brain study found that common risks such as smoking, high blood pressure, heart disease, and high blood lipids were strongly linked to damage associated with vascular dementia. The findings suggest that healthier lifestyle choices could ...

A Drug Already Used for Osteoporosis Blocked Spinal Damage in a New Study

Aug. 6, 2026 Genetic changes may set off a chain reaction that causes the spine’s natural shock absorbers to harden and deteriorate. Zebrafish with a faulty collagen-related gene developed mineral buildup and spinal fusion similar to human disc disease. ...

Dirty Air May Trigger Painful Rheumatoid Arthritis Flares

Aug. 5, 2026 Tiny pollution particles from smoke, soot, and dust may worsen rheumatoid arthritis and raise the risk of painful flares, particularly after prolonged exposure. The findings suggest that avoiding poor air quality could become an important part of ...

THC Medication Made PTSD Nightmares Disappear for More Than a Third of Patients

Aug. 5, 2026 A prescription form of THC helped many people with PTSD escape recurring trauma-related nightmares, with more than one-third reporting that the nightmares disappeared completely after ten weeks. The ...

Sitting Up Straight May Improve Your Mood and Decision-making

Aug. 5, 2026 A simple change in posture may subtly affect how people feel and make decisions. Participants who sat upright reported greater feelings of pride and took more successful risks in a virtual balloon game than those who hunched over. Most did not ...

Stanford Scientists Discover Immune Cells That Explode Like Microscopic Bombs

Aug. 5, 2026 Stanford researchers discovered immune cells in flatworms that explode within minutes, killing nearby bacteria and foreign cells before vanishing completely. Their unusually fast and localized attack ...

Cancer-fighting Chewing Gum Cuts HPV Levels by Up to 93%

Aug. 4, 2026 A specially engineered chewing gum reduced HPV by up to 93% and nearly eliminated two bacteria linked to head and neck cancer. The treatment preserved beneficial mouth bacteria, raising hopes for a safer and more affordable ...

A Common Sugar May Help Cancer Cells Break Free and Spread

Aug. 4, 2026 Chemotherapy-surviving ovarian cancer cells may release fructose to help neighboring tumor cells loosen, escape, and spread. The discovery suggests that sugary diets and cholesterol-lowering drugs could influence cancer progression, though the ...

Latest Headlines

updated 9:07am EDT

Your Brain May Be Wired to Regain Lost Weight

Aug. 3, 2026 Weight loss is not simply a test of willpower. The human brain evolved to protect body fat during times of scarcity, and it can treat a previously higher weight as the new normal, triggering stronger ...

A Simple Supplement Could Help the Immune System Fight Cancer and Viruses

Aug. 3, 2026 Low arginine levels may allow cancer cells and viruses to slip past the immune system by reducing production of a crucial cellular warning protein. In mice, arginine-rich diets led to fewer colon ...

Scientists May Have Found Aging’s Hidden Trigger for Brain Disease

Aug. 3, 2026 Scientists have identified a molecular switch that may help explain why aging makes the brain more vulnerable to diseases such as ALS and Huntington’s. In worms, the protein EPS8 builds up with age ...

Two New Compounds Could Reveal Hidden Drivers of Alzheimer’s Disease

Aug. 3, 2026 Vanderbilt researchers created the first selective compound designed to inhibit TAOK-1, a poorly understood protein connected to Alzheimer’s disease. They also discovered a second compound that ...

Two Deadly Flowers Could Inspire Powerful New Medicines

Aug. 3, 2026 Scientists have figured out how two famously poisonous plants create chemicals with surprising medical potential. After tracking thousands of genes in wolfsbane and larkspur, they identified six ...

Without This Protein, Damaged Muscle Turns to Fat and Scar Tissue

Aug. 2, 2026 A protein once thought to mainly protect chromosome ends may also be essential for keeping muscle stem cells ready to repair injuries. Researchers found that TRF2 helps these cells maintain their ...

This Once-a-Week Workout May Help Cut Belly Fat, Study Shows

Aug. 2, 2026 A surprisingly small dose of exercise may deliver major health benefits for adults carrying excess fat around the waist. In a four-month trial involving 315 adults with central obesity, researchers ...

Eating Less Protein Could Slow Aging, Major Review Finds

Aug. 2, 2026 A sweeping review of more than 350 studies suggests that the protein boom may be overselling what many people actually need. Eating less protein appears to improve metabolism, reduce inflammation and ...

Cancer May Be Breaking Its Own DNA to Keep Growing

Aug. 2, 2026 Cancer cells rely on powerful genetic switches to keep growth genes running at full speed, but that intense activity can damage their own DNA. The resulting breaks are repeatedly repaired, sometimes ...

Eating One Avocado a Day May Lower Heart Disease Risk

Aug. 1, 2026 A daily avocado may help lower heart disease risk in adults with obesity by reducing the number of LDL particles circulating in the blood. After six months, participants who ate an avocado each day ...

Scientists Find a Simple Routine Linked to Less Pain and Depression

July 30, 2026 Keeping a regular daily schedule may help reduce pain and depression, especially among older adults with insomnia. Researchers found that consistent times for waking, eating, socializing, and ...

Scientists Find a Simple Way to Stop Cavities Without Drilling

July 29, 2026 A liquid brushed onto cavities in seconds may spare many young children from pain, infection, and surgery. A major U.S. trial found that silver diamine fluoride stopped decay in more than half of ...

Daily Multivitamin May Help Older Adults Stay Independent

July 29, 2026 Taking a daily multivitamin may help older adults preserve the strength and stamina needed for everyday activities. After three years, users reported better functional health than those taking a ...

4 in 5 Toddler Foods Are Ultra-Processed

July 28, 2026 A grocery-store audit found that many foods marketed for toddlers may be far less healthy than parents expect. Of nearly 2,800 products examined in Texas, 81% were ultra-processed, and almost half ...

Scientists Reveal What Sparkling Water Really Does to Your Teeth

July 27, 2026 Unsweetened sparkling water may offer a tooth-friendlier alternative to sugary soda, according to a small preliminary study tracking how different drinks change mouth acidity. Soda caused the ...

Eating Within 8 Hours May Help Keep the Aging Brain Sharp

July 27, 2026 Eating within a shorter daily window may help protect certain thinking skills as people age. In a small six-month trial, older women who limited eating to about 8 to 9 hours a day performed better on ...

Why the Same DNA Damage Causes Cancer in Some People but Not Others

July 27, 2026 A controlled mouse study has provided direct evidence that inherited genetics can steer how cancer begins and evolves after DNA damage. The discovery could eventually help doctors better predict ...

Your AI Calorie-Tracking App May Be Off by 345 Calories

July 26, 2026 Popular AI-powered food apps may make calorie counting easier, but they may also leave out a surprisingly large part of the meal. Four apps underestimated calories and fat by about one-third when ...

A New Antiviral Could Stop Measles Before an Outbreak Takes Off

July 24, 2026 An experimental pill prevented a measles-like virus from spreading through the air or through close contact in ferrets. It worked when given shortly before or after exposure and also shortened ...

A Single Dose Reversed Autism-Like Symptoms in Adult Mice Within Hours

July 25, 2026 Even mild inflammation during pregnancy led mouse offspring to develop persistent brain overactivity, sensory sensitivity, repetitive behaviors, and increased seizure risk. Remarkably, one dose of ...

Ozempic and Mounjaro Linked to a Surprising Hair Loss Risk

July 23, 2026 A large study suggests that GLP-1 drugs including Ozempic and Mounjaro may slightly increase the risk of hair loss in people with type 2 diabetes. Compared with two other common classes of diabetes ...

Superagers Keep Youthful Memories but Their DNA Does Not Explain Why

July 25, 2026 Scientists expected SuperAgers might simply inherit fewer Alzheimer’s-related risks, but their genes looked much like those of typical older adults. Their extraordinary memories may instead come ...

Exercise May Not Help Hip Arthritis as Much as Patients Expect

July 27, 2026 A major review found that exercise produces only small average improvements in hip osteoarthritis pain and physical function. It may still help some people, but researchers warn that current evidence ...

Scientists Revive a Powerful Antibiotic That Superbugs Had Defeated

July 22, 2026 Scientists have found a way to revive vancomycin, a powerful antibiotic that some dangerous bacteria have learned to resist. Instead of creating an entirely new drug, researchers paired vancomycin ...

The Billion-Dollar Problem Keeping Ozempic, Wegovy, and Zepbound from Patients

July 24, 2026 Ozempic, Wegovy, and similar drugs may deliver excellent health value, but covering them for millions of eligible patients could overwhelm insurance budgets. Researchers say better long-term support ...

Coffee May Protect Your Heart but Energy Drinks Could Harm It

July 21, 2026 For most adults, a daily caffeine habit may be safer for the heart than many people assume. A new American Heart Association review found that up to 400 milligrams of caffeine a day, roughly three to ...

New Molecular Map Reveals How the Flu Virus Hijacks Human Cells

July 21, 2026 Scientists uncovered how influenza A commandeers human cells, including a surprising strategy that dissolves tiny structures in the nucleus and releases proteins the virus may use to reproduce. The ...

Watching Too Much TV in Midlife May Shrink the Brain

July 21, 2026 Watching television very often in midlife may be linked to troubling brain changes decades later. In a study of about 1,700 adults, frequent TV viewers later showed smaller brain regions involved in ...

Scientists Discover a Protein That Protects the Brain from Alzheimer’s Damage

July 20, 2026 A protein called SORLA may act as a powerful defense against the toxic tau tangles involved in Alzheimer’s disease. Mice with extra SORLA had less tau accumulation, less brain atrophy, and ...

Alzheimer’s Breakthrough: Scientists Restore Two Hours of Sleep Without Clearing Brain Plaques

July 20, 2026 Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In mice with amyloid plaques, overactive microglia triggered inflammation ...