Human Quirks: Health & Medicine

May 27, 2026

Top Headlines

Scientists Say They’ve Reversed Brain Aging with a Simple Nasal Spray

May 26, 2026 Researchers at Texas A&M have developed a nasal spray that appears to reverse brain aging by calming inflammation and restoring the brain’s energy systems. After just two doses, memory and cognitive function improved for months, raising hopes for ...

Beet Juice Lowers Blood Pressure in Older Adults in Just 2 Weeks

May 25, 2026 Drinking nitrate-rich beetroot juice may do more than support heart health — it could actually reshape the bacteria living in the mouth in ways that help lower blood pressure in older adults. In the largest study of its kind, researchers found ...

Surprising Research Reveals Why You Shouldn't Add Bananas to Your Smoothies

May 24, 2026 Researchers found that adding bananas to berry smoothies can dramatically reduce the body’s ability to absorb healthy flavanols. The surprising discovery shows that even simple food combinations can change how much nutrition your body actually ...

Scientists Say House Cats Could Help Unlock New Cancer Treatments for Humans

May 24, 2026 Scientists have cracked open the “black box” of feline cancer in a landmark study that genetically analyzed nearly 500 cat tumors from around the world. The research uncovered striking ...

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 ...

“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 ...

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 protection and reduced oxidative stress from UV ...

Scientists Uncover Surprising Health Benefits of Watermelon

May 17, 2026 Studies suggest watermelon could be a hidden powerhouse for better health. Researchers found that people who eat watermelon tend to have higher-quality diets packed with more vitamins, fiber, and antioxidants — while consuming less added sugar and ...

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 humans and animals, researchers found little ...

The Real Reason Exercise Makes You Stronger Isn’t What You Think

May 16, 2026 Exercise may be training your brain just as much as your body. Researchers discovered that certain brain cells stay highly active even after a workout ends, and those lingering signals appear to help the body build endurance over time. In ...

Scientists Discover Vitamin B2 May Help Cancer Cells Survive

May 15, 2026 Scientists have uncovered a surprising dark side to vitamin B2: it may help cancer cells stay alive. The vitamin supports a cellular shield that protects tumors from ferroptosis, a form of programmed cell death linked to cancer suppression. In lab ...

Latest Headlines

updated 12:05pm EDT

Scientists Say a Daily Multivitamin May Help Slow Aging

May 14, 2026 A daily multivitamin may help slow biological aging, according to researchers studying older adults in a large clinical trial. After two years, participants taking multivitamins showed slower aging ...

Who Are the Japanese? Huge DNA Discovery Rewrites History

May 14, 2026 Scientists analyzing the genomes of thousands of people across Japan discovered evidence for a previously overlooked third ancestral group, challenging the long-accepted “dual origins” theory. ...

New Psychedelic-Like Drugs Could Treat Depression Without Making You Trip

May 13, 2026 UC Davis researchers created brand-new psychedelic-like compounds by shining UV light on amino acid-based molecules. These compounds activated key serotonin receptors tied to brain plasticity and ...

This 800-Year-Old Chinese Exercise Helps Lower Blood Pressure Naturally

May 11, 2026 An ancient Chinese exercise routine may be just as powerful as a daily brisk walk for lowering blood pressure — without equipment, gyms, or intense workouts. In a major clinical trial, adults with ...

Scientists Successfully Transfer Longevity Gene and Extend Lifespan

May 10, 2026 Scientists at the University of Rochester pulled off a remarkable experiment: they transferred a longevity-related gene from the famously long-lived naked mole rat into mice, and the mice ended up ...

Scientists Discover the Brain’s Hidden “stop Scratching” Switch

May 10, 2026 Scientists have uncovered a hidden “stop-scratching” signal in the nervous system that tells your brain when enough scratching is enough. The discovery centers on a molecule called TRPV4, which ...

Scientists Reversed Liver Aging With Young Gut Bacteria in Stunning Study

May 9, 2026 Rebooting the gut microbiome with bacteria from youth may help stop aging-related liver damage and even prevent liver cancer, according to new research in mice. Older mice that received their own ...

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 ...

Scientists Found the “holy Grail” Gene That Could One Day Help Humans Regrow Limbs

May 9, 2026 Scientists studying axolotls, zebrafish, and mice have uncovered a shared set of genes that may one day help humans regrow lost limbs. By identifying ...

New Obesity Discovery Rewrites Decades of Fat Science

May 8, 2026 Scientists have uncovered a surprising secret hidden inside fat cells that could reshape how we think about obesity and metabolic disease. A protein called HSL, long believed to simply release stored ...

A Hidden Map in Your Nose Could Explain How Smell Works

Apr. 30, 2026 Scientists have finally cracked one of the biggest mysteries in the senses: how smell is organized. By mapping millions of neurons in mice, researchers discovered that smell receptors in the nose ...

Scientists Discover a Hidden Brain “cleaning” Effect Triggered by Movement

May 1, 2026 Scientists have uncovered a surprising link between simple body movement and brain health: every time you tighten your abdominal muscles—even slightly—your brain may gently sway inside your ...

Simple “gut Reset” May Stop Weight Gain After Ozempic or Wegovy

Apr. 23, 2026 A new minimally invasive procedure may help people keep weight off after stopping popular drugs like Ozempic and semaglutide—something most patients struggle with. In a clinical trial, those who ...

Scientists Just Discovered What Coffee Is Really Doing to Your Gut and Brain

May 3, 2026 Coffee doesn’t just energize—it actively reshapes the gut and mind. Researchers found that both caffeinated and decaf coffee altered gut bacteria in ways linked to better mood and lower stress. ...

Eating More Fruits and Vegetables Tied to Unexpected Lung Cancer Risk

Apr. 17, 2026 A surprising new study suggests that eating a very healthy diet—packed with fruits, vegetables, and whole grains—might be linked to a higher risk of lung cancer in younger non-smokers. ...

A “death” Protein May Be the Key to Slowing Aging at Its Source

Apr. 16, 2026 Scientists have discovered that a protein linked to cell death is secretly driving the aging of blood stem cells in a completely different way. Instead of killing the cells, it damages their ...

Scientists Remove “zombie” Cells and Reverse Liver Damage in Mice

Apr. 16, 2026 A rogue set of “zombie” immune cells may be driving aging and fatty liver disease by flooding tissues with inflammation. Researchers found these cells accumulate with age and high ...

The People You Live With Could Be Changing Your Gut Bacteria

Apr. 13, 2026 Spending time with close companions might do more than strengthen bonds—it could also reshape your gut bacteria. In a study of island birds, those with stronger social ties shared more gut ...

Why Ozempic Doesn’t Work for Everyone: Scientists Just Found a Hidden Reason

Apr. 12, 2026 A new study reveals that popular diabetes and weight-loss drugs like Ozempic and Wegovy may not work as effectively for about 10% of people due to specific genetic variants. These individuals appear ...

Scientists Discover Skincare Compound That Kills Drug-Resistant Bacteria

Apr. 21, 2026 A popular Korean skincare ingredient may be far more powerful than anyone realized. Scientists have discovered that madecassic acid—derived from the herb Centella asiatica—can stop ...

Scientists Discover Reversible Male Birth Control That Stops Sperm Production

Apr. 7, 2026 Scientists at Cornell University may be closing in on the long-sought “holy grail” of male contraception: a safe, reversible, nonhormonal method that completely halts sperm production. In a ...

Your Brain Could Help Solve Autism and Most People Don’t Know It

Apr. 8, 2026 A new survey reveals a striking disconnect in how Americans think about autism research. While nearly everyone agrees that studying the autistic brain is essential, most people are unaware that brain ...

Your Vitamin D Levels in Midlife Could Shape Your Brain Decades Later

Apr. 7, 2026 Vitamin D levels in midlife may play a bigger role in long-term brain health than previously thought. In a study following nearly 800 people over 16 years, those with higher vitamin D levels in their ...

Scientists Discover “molecular Shredder” That Helps Deadly Parasite Evade the Immune System

Apr. 2, 2026 A deadly parasite responsible for sleeping sickness has been found using a surprisingly precise trick to stay hidden in the human bloodstream. Scientists discovered a protein called ESB2 that acts ...

Scientists Discover Why Your Appetite Suddenly Disappears When You’re Sick

Mar. 28, 2026 Scientists have uncovered how your body actually tells your brain to stop eating when you’re sick. In a new study, researchers found that specialized cells in the gut detect parasites and send ...

Scientists Discover a Hidden System That Turns Brown Fat Into a Calorie Burner

Mar. 28, 2026 Scientists have identified a key biological system that helps brown fat burn energy by building the networks it needs to function. A protein called SLIT3 splits into two parts, with each piece ...

Scientists Just Discovered Bees and Hummingbirds Are Drinking Alcohol

Mar. 25, 2026 Flower nectar often contains small amounts of alcohol, meaning pollinators like hummingbirds are drinking it all day long. Despite consuming human-equivalent amounts, they show no signs of ...

DNA Robots Could Deliver Drugs and Hunt Viruses Inside Your Body

Mar. 31, 2026 DNA robots are emerging as tiny programmable machines that could one day deliver drugs, hunt viruses, and build molecular-scale devices. By borrowing ideas from traditional robotics and combining ...

What Scientists Found Inside Coral Reefs Could Change the Future of Medicine

May 8, 2026 Beneath the beauty of coral reefs lies a hidden universe of microbes unlike anything scientists expected. Each coral species supports its own specialized microbial partners, many of which have never ...

Huge Study Finds No Evidence Cannabis Helps Anxiety, Depression, or PTSD

Mar. 20, 2026 The largest review of medicinal cannabis to date found it doesn’t effectively treat anxiety, depression, or PTSD—despite millions using it for those reasons. Researchers warn it could even make ...