Diseases and Conditions News

May 23, 2026

Top Headlines

Scientists Warn Popular Vitamin D Supplement May Have a “Previously Unknown” Downside

May 23, 2026 A surprising study suggests vitamin D2 supplements may reduce the body’s levels of vitamin D3 — the more effective form of vitamin D. Researchers found D3 not only boosts vitamin D status more ...

Wegovy Linked to Rare “Eye Stroke” That Can Cause Sudden Blindness

May 23, 2026 A new analysis is raising concerns about Wegovy, the blockbuster weight-loss drug, after researchers found it may carry the highest risk of a rare “eye stroke” that can cause sudden vision loss. The study, based on millions of FDA side-effect ...

New AI Body Map Reveals Obesity’s Hidden Attack on Facial Nerves

May 23, 2026 Scientists have created an AI-powered system that can scan and map an entire mouse body in extraordinary detail — and it just uncovered a surprising new effect of obesity. Beyond disrupting metabolism, obesity appears to damage facial sensory ...

Scientists Uncover Cancer-causing Chemicals Hidden in Everyday Foods

May 22, 2026 Scientists have identified potentially cancer-causing chemicals hiding in many everyday foods, especially those exposed to high heat cooking methods like grilling, roasting, smoking, and frying. The compounds, known as PAHs, can form during cooking ...

Surprising Study Finds Beef Doesn’t Worsen Blood Sugar or Diabetes Risk

May 22, 2026 A new clinical trial suggests that eating beef every day may not be as risky for people with prediabetes as many assume. Researchers found that adults who ate 6–7 ounces of beef daily for a month showed no worsening in blood sugar control, insulin ...

Scientists Warn That Current Vitamin B12 Guidelines May Be Putting Your Brain at Risk

May 22, 2026 Getting enough vitamin B12 to meet current health guidelines may not actually be enough to protect the aging brain. Researchers at UC San Francisco found that older adults with “normal” but lower ...

Scientists Discover Simple Way to Relieve Arthritis Pain Without Pills or Surgery

May 22, 2026 A surprisingly simple walking tweak may offer new hope for millions living with knee osteoarthritis. In a year-long clinical trial, researchers found that slightly changing the angle of a person’s ...

May 22, 2026 Researchers have discovered that the GLP-1 hormone targeted by drugs like Wegovy is present in very low amounts inside the joints of arthritis patients. That finding suggests high-dose GLP-1 ...

“Zombie Cells” Aren’t Always Bad and That Could Transform Anti-aging Medicine

May 22, 2026 Scientists are uncovering a surprising truth about aging cells: some may damage the body, while others help protect it. The discovery is fueling a new wave of precision anti-aging therapies aimed at ...

Scientists Discover a Two-stage Aging Process That May Cause Cancer and Arthritis

May 21, 2026 A new theory suggests many age-related diseases may actually start decades before symptoms appear. Researchers say early-life damage — from infections, injuries, or genetic mutations — can remain ...

Childhood Junk Food May Rewire the Brain for Life

May 21, 2026 Eating too much junk food early in life may rewire the brain in ways that last into adulthood, even after switching to a healthier diet. Scientists found that high-fat, high-sugar diets changed feeding behavior and disrupted appetite-control regions ...

May 21, 2026 A huge international review found that GLP-1 weight-loss drugs significantly reduce the risk of heart attacks, strokes, heart failure, and premature death over the long term. Researchers say these ...

Latest Headlines

updated 10:44am EDT

Common Pesticide Linked to Hidden Brain Damage, Scientists Warn

May 21, 2026 Scientists have uncovered alarming new evidence that a common insecticide may leave lasting marks on the developing brain before a child is even born. Researchers studying New York City children ...

Scientists Discover Hidden Weakness Shared by Hundreds of Cancer Mutations

May 21, 2026 Scientists have unveiled a powerful new tool called PerturbFate that could change how researchers tackle diseases driven by huge numbers of genetic mutations, including cancer and Alzheimer’s. ...

Scientists Discover the Nutrient That Can Supercharge Cellular Energy

May 21, 2026 Researchers discovered that leucine, a nutrient found in protein-rich foods, can supercharge mitochondria by protecting crucial energy-producing proteins inside cells. The breakthrough uncovers a ...

MIT Scientists Discover Amino Acid That Helps the Gut Heal Itself

May 21, 2026 MIT scientists have identified cysteine — an amino acid found in foods like meat, dairy, beans, and nuts — as a potent trigger for intestinal repair. In mice, a cysteine-rich diet activated ...

Scientists Discover Why Alzheimer’s Risk Hits Women So Much Harder

May 20, 2026 Women may be especially sensitive to the effects of common dementia risk factors, according to a new UC San Diego study of over 17,000 adults. Researchers say tailoring prevention strategies ...

Scientists Found a Hidden Alzheimer’s Trigger and Shut It Down

May 20, 2026 A newly identified enzyme called IDOL could become a major new target in the fight against Alzheimer’s disease. Researchers found that removing it from neurons sharply reduced amyloid plaques and ...

Scientists Discover Strange Link Between Vitamin D and Pain

May 19, 2026 Low vitamin D levels could be quietly making breast cancer surgery recovery far more painful. In a new study, patients deficient in vitamin D were three times more likely to experience moderate to ...

Breakthrough Drug Reverses Aging in Skin and Dramatically Speeds Healing

May 19, 2026 Scientists have discovered that a topical anti-aging drug called ABT-263 can dramatically improve wound healing in older skin. The treatment works by removing damaged “senescent” cells that ...

Scientists Boosted One Protein and Aging Mice Became Stronger and Healthier

May 19, 2026 Scientists have identified a protein that appears to put the brakes on the chronic inflammation linked to aging. Older mice with boosted levels of the protein were stronger, more energetic, and had ...

People Who Lost the Most Weight on Ozempic Saw Huge Health Benefits

May 19, 2026 People who lost significant weight while taking Ozempic, Wegovy, Mounjaro, or Saxenda had sharply lower risks of major obesity-related health problems, including sleep apnea and kidney disease. Those ...

Hidden Sugar Patterns on Human Cells Could Reveal Cancer Early

May 18, 2026 Scientists have uncovered a hidden “sugar code” on the surface of human cells that could transform how diseases are detected. Using an advanced imaging technique called Glycan Atlasing, ...

Eating Grapes Daily Could Unlock Powerful Skin Protection

May 18, 2026 Scientists discovered that eating grapes can actually change how your skin behaves at the genetic level. After just two weeks of daily grape consumption, volunteers showed signs of improved skin ...

New Study Debunks the Biggest Fear About Yo-Yo Dieting

May 17, 2026 For years, “yo-yo dieting” has been blamed for wrecking metabolism and causing lasting damage, but a major new review says the fear may be wildly overblown. After analyzing decades of studies in ...

Scientists Discover Why Some Cancers Survive Chemotherapy

May 17, 2026 Scientists have uncovered a surprising new trick used by one of cancer’s most notorious proteins. MYC, already infamous for fueling runaway tumor growth, also appears to help cancer cells survive ...

Scientists Discover Tiny Gut Particles That May Drive Aging and Chronic Disease

May 16, 2026 A new study suggests microscopic particles from the gut may actively drive inflammation and chronic diseases associated with aging. Remarkably, gut particles from young animals appeared to counter ...

Scientists Reversed Biological Age in Older Adults With a 4-Week Diet Change

May 12, 2026 A four-week diet change was enough to make some older adults appear biologically younger in a new University of Sydney study. Participants who reduced fat intake or shifted toward more plant-based ...

Scientists Discover Hidden Fat-Burning Switch That Could Strengthen Bones

May 12, 2026 Scientists at McGill University have uncovered a hidden molecular “switch” that turns on a powerful calorie-burning system in brown fat — the body’s heat-generating fat linked to metabolism ...

Ozempic Delivers Major Weight Loss in Adults Over 65, Study Finds

May 11, 2026 A major new analysis suggests semaglutide (Ozempic, Wegovy) works remarkably well in adults over 65, helping many lose substantial amounts of weight while improving heart and metabolic health. ...

Scientists Say 8,500 Steps a Day Could Stop Weight from Creeping Back

May 10, 2026 A new international analysis suggests there may be a surprisingly simple secret to keeping weight off after dieting: walking about 8,500 steps a day. Researchers found that people who boosted their ...

Scientists Say Just 30 Minutes of Exercise a Week Could Transform Your Health

May 15, 2026 You may not need hours at the gym to boost your health after all. Researchers say just 30 minutes of high-intensity exercise per week — broken into tiny bursts of effort that leave you out of ...

Ultra-Processed Foods Linked to Higher Risk of Heart Disease and Early Death

May 10, 2026 Ultra-processed foods may be doing far more damage than many people realize. A major new European cardiology report warns that people who eat the most ultra-processed foods face significantly higher ...

Eating Eggs Could Cut Alzheimer’s Risk by 27%

May 7, 2026 Eating eggs might do more than just start your day—it could help protect your brain. Researchers found that people 65 and older who eat eggs regularly have a significantly lower risk of developing ...

The Dark Side of Weight Loss Drugs: Ozempic's Surprising Hidden Cost

May 5, 2026 GLP-1 weight-loss drugs like Ozempic and Wegovy are often celebrated as game-changing solutions—but new research reveals a surprising social twist. People who lose weight using these medications ...

This Simple Blood Test Might Detect Depression Before Symptoms Appear

May 4, 2026 A new study suggests depression may soon be detectable through a simple blood test—by tracking how certain immune cells age. Researchers found that accelerated aging in monocytes, a type of white ...

Scientists Reveal Creatine’s Hidden Power Beyond Muscle Gains

May 4, 2026 Creatine might be famous in the gym, but its real story is far more interesting. Naturally produced in the body, it helps power cells by rapidly regenerating ATP—the fuel that keeps muscles, the ...

New “Trojan Horse” Obesity Drug Supercharges Weight Loss in Early Tests

May 7, 2026 Researchers have created a next-generation obesity drug that works like a “Trojan horse,” using GLP-1/GIP signals to slip a powerful metabolic enhancer directly into target cells. In mice, it ...

Scientists Find Natural Compounds That Hit COVID-19 from Every Angle

May 7, 2026 A little-known tree from Brazil’s Atlantic Forest may hold a surprising weapon against COVID-19. Researchers discovered that compounds called galloylquinic acids, extracted from its leaves, can ...

Common Knee Surgery Found Ineffective, May Make Things Worse

May 6, 2026 A major 10-year clinical trial is turning one of the world’s most common knee surgeries on its head. Researchers found that trimming a damaged meniscus—a procedure long believed to relieve ...

First-Ever 3D View Shows How Killer T Cells Destroy Cancer

Apr. 30, 2026 The body’s “killer” T cells don’t just attack—they strike with astonishing precision, forming a tiny, highly organized contact zone that lets them destroy dangerous cells without harming ...

Scientists Say This Simple Music Trick Can Boost Workout Endurance by 20%

May 9, 2026 A new study shows that listening to your own favorite workout music can dramatically boost endurance. Cyclists exercising with self-selected songs lasted nearly 20% longer than when riding in ...