Human Quirks: Health & Medicine

September 6, 2026

Top Headlines

Stanford Scientists Discover a Seafood That Can Reverse Signs of Aging

Sep. 4, 2026 A substance found in edible sea squirts appeared to reverse several signs of aging in older mice. Plasmalogen supplements improved memory and learning, strengthened connections between brain cells, reduced inflammation, and even helped the mice grow ...

Too Much Coffee May Weaken Bones, Study Finds

Sep. 2, 2026 Following nearly 10,000 older women for 10 years, researchers found that tea drinking was associated with slightly higher hip bone density. Moderate coffee consumption did not appear harmful, but drinking more than five cups a day was linked to ...

Mindfulness May Lower Blood Pressure in Just 8 Weeks

Sep. 1, 2026 Mindfulness, gratitude, and optimism training may improve blood pressure, inflammation, and other heart-health measures within just eight to 12 weeks. The strongest programs paired daily practice with regular reinforcement, suggesting that improving ...

What You Eat Before Age 2 May Affect Your Health 70 Years Later

Aug. 26, 2026 Britain’s postwar sugar rationing created a rare natural experiment that let researchers examine how early sugar exposure might affect health decades later. People who experienced more rationing during their first 1,000 days had lower rates of ...

Depression May Shut Down the Brain’s Ability to Make New Neurons

Aug. 25, 2026 A major study found that adults with depression show disrupted production of new neurons in the hippocampus, potentially weakening the brain’s ability to separate new experiences from painful memories. The researchers also identified broad ...

Common Medications May Change Your Gut for Years

Aug. 24, 2026 Common medications may reshape the gut microbiome long after the last dose is taken. In a study of more than 2,500 people, researchers found lasting microbial changes linked not only to antibiotics, but also to antidepressants, beta-blockers, ...

Tooth Count May Predict Survival After Pancreatic Cancer Surgery

Aug. 21, 2026 Pancreatic cancer patients with at least 21 natural teeth survived nearly two years longer after surgery than those with fewer teeth in a study of 339 people. Researchers suspect tooth loss may reflect decades of inflammation, frailty, nutrition, ...

This Gut Microbe May Help Keep You Strong as You Age

Aug. 21, 2026 Scientists have linked a specific gut bacterium, Roseburia inulinivorans, to stronger muscles in both humans and mice. Older adults who carried it had 29% greater handgrip strength, while treated mice gained about 30% more grip strength and ...

Tiny Robots Powered by Light Can Hunt Down and Collect Bacteria

Aug. 18, 2026 Researchers have built microscopic, light-driven robots that can rapidly navigate through liquid, collect bacteria, and deposit them in chosen locations. These tiny “cleaners” could open new possibilities for manipulating cells and microbes with ...

COVID-19 Awakens Dormant Viruses — And One Is Linked to Long COVID

Aug. 15, 2026 COVID-19 can reactivate dormant viruses hiding in the body, including Epstein-Barr, cytomegalovirus, and several herpes viruses. One poorly understood viral family was strongly associated with long COVID and lasting disability, offering a ...

When Gut Microbes Run Low on Fiber, They May Start Eating You

Aug. 15, 2026 Gut microbes need something to eat, and when fiber is limited, they may begin consuming proteins from the mucus lining that protects the gut. Researchers found that fiber can suppress this process, while indigestible plant proteins help microbes ...

Ozempic May Have Revealed the Brain’s Hidden “Craving Center”

Aug. 12, 2026 Ozempic-like drugs appear to weaken more than hunger—they may also reduce cravings for alcohol and other addictive substances. Scientists are increasingly tracing this effect to the lateral septum, a brain region that helps connect memories and ...

Latest Headlines

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A Longer Exhale May Push Your Brain Toward Bolder Decisions

Sep. 4, 2026 Slow breathing with a prolonged exhale made people more willing to take risks by changing heart activity and increasing the brain’s sensitivity to rewards. The findings suggest that something as ...

This Shark Can Live 400 Years. Its Eyes Barely Seem to Age

Aug. 22, 2026 Greenland sharks may live for 400 years without suffering the kind of retinal decline normally associated with aging. Researchers found healthy eye tissue and active proteins specially adapted for ...

The Adult Brain Can Repair Itself Better Than Scientists Thought

Aug. 12, 2026 The adult brain may be far better at repairing itself than scientists once believed. In mice, researchers discovered a special group of support cells called astrocytes that respond to damaged brain ...

Scientists Turn Sheep’s Wool Into a Material That Helps Regrow Bone

Aug. 12, 2026 Keratin extracted from sheep’s wool helped damaged bone regenerate in animals, producing tissue that was more organized and structurally similar to healthy bone than tissue grown with conventional ...

Scientists Say Just 7 Days of Meditation Can Rewire Your Brain

Aug. 8, 2026 An intensive seven-day meditation retreat triggered striking changes across the brain and body, including shifts tied to neuroplasticity, immunity, metabolism, and natural pain relief. Participants ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 Tested 39 Sweeteners and Found Unexpected Gut Effects

July 17, 2026 A large laboratory study found that many commonly used sweeteners can directly change the growth of gut bacteria. Researchers identified more than 100 cases in which sweeteners behaved differently ...

Scientists Discover a Hidden Heart Valve Risk Linked to Gum Disease

July 13, 2026 Researchers found that bacteria linked to gum disease may help drive the development of calcific aortic valve stenosis by triggering inflammation and calcium buildup in the heart valve. The early ...

Scientists Want to Quarantine Alien Life on the Moon Before It Reaches Earth

July 6, 2026 Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Harvard Scientists Turn a Silicon Chip Into a DNA Writing Machine

July 8, 2026 Scientists have created a silicon chip that can write dozens of DNA sequences simultaneously using electricity and water-based enzymes, offering a cleaner alternative to conventional DNA ...

Scientists Discover Neurons Must Break Their DNA to Build the Brain

June 21, 2026 As newborn neurons make their way through the developing brain, they must squeeze through incredibly tight spaces to reach their final destinations. Researchers discovered that this physical journey ...

Ancient DNA Reveals Plague Was Already Killing Humans 5,500 Years Ago

June 18, 2026 Plague was already a deadly killer 5,500 years ago, long before cities, farming, or the rat-infested conditions usually linked to historic outbreaks. By analyzing ancient DNA from hunter-gatherer ...

Ozempic and Wegovy Linked to Surprising Drop in Violent Behavior

June 17, 2026 A Rutgers study suggests GLP-1 drugs such as Ozempic and Wegovy may weaken the link between impulsive tendencies and violent behavior. The surprising finding hints that these medications could affect ...

Butterfly That Barely Ages Could Help Unlock Longevity Secrets

June 22, 2026 Scientists discovered that Heliconius butterflies have evolved an extraordinary lifespan, living several times longer than closely related species. Even more surprising, some show little sign of ...

Common Constipation Drug May Help Clear Depression Brain Fog

July 15, 2026 An existing constipation drug may have an unexpected new use: helping clear the "brain fog" that often lingers after depression. In a small clinical trial, people with a history of ...

Scientists Discover Why Peach Fuzz Can Suddenly Make You Itch

July 14, 2026 A newly discovered network of fine hairs and specialized nerve cells appears to form a dedicated system for sensing mechanical itch, offering fresh insight into why chronic itching occurs. Because ...

Modern Neuroscience Is Rediscovering an Idea Freud Had 130 Years Ago

July 1, 2026 What if Sigmund Freud was onto something that modern neuroscience is only now beginning to explain? A new paper argues that today's leading theory of the brain—as a prediction machine ...

The Mysterious Hum Heard Around the World May Finally Have an Explanation

July 19, 2026 The mysterious sound known as The Hum has been reported worldwide for decades, yet its source often remains impossible to find. Researchers tested whether people who hear it have exceptional ...

July 14, 2026 Researchers found that semaglutide, the active ingredient in Ozempic and Wegovy, slowed biological aging markers in adults with HIV, marking the first clinical evidence that the drug may influence ...

Vitamin B12 and Folate Deficiencies Linked to Chronic Fatigue

May 28, 2026 Feeling constantly drained might not just be about poor sleep or working too hard. Researchers in Japan found that low levels of key vitamins — especially vitamin B12 and folate — may quietly ...

This Tomato-Soy Juice Reduced Inflammation in Just Four Weeks

May 30, 2026 A specially formulated tomato-soy juice packed with natural plant compounds may help calm inflammation linked to obesity, according to a new clinical study. Healthy adults with obesity who drank the ...

“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 ...

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 ...