Human Quirks: Health & Medicine

September 26, 2025

Top Headlines

Hidden Bacterial Molecules in the Brain Reveal New Secrets of Sleep

Sep. 25, 2025 — New studies show that a bacterial molecule, peptidoglycan, is present in the brain and fluctuates with sleep patterns. This challenges the idea that sleep is solely brain-driven, instead suggesting it’s a collaborative process between our bodies ...

Brain Fat, Not Just Plaques, May Be the Hidden Driver of Alzheimer’s

Sep. 24, 2025 — For decades, scientists believed Alzheimer’s was driven mainly by sticky protein plaques and tangles in the brain. Now Purdue researchers have revealed a hidden culprit: fat. They found that brain immune cells can become clogged with fat, leaving ...

Tylenol in Pregnancy Linked to Higher Autism Risk, Harvard Scientists Report

Sep. 24, 2025 — Researchers reviewing 46 studies found evidence linking prenatal acetaminophen (Tylenol) exposure with higher risks of autism and ADHD. The FDA has since urged caution, echoing scientists’ advice ...

AI Breakthrough Finds Life-saving Insights in Everyday Bloodwork

Sep. 23, 2025 — AI-powered analysis of routine blood tests can reveal hidden patterns that predict recovery and survival after spinal cord injuries. This breakthrough could make life-saving predictions affordable and accessible in hospitals ...

How Dehydration Secretly Fuels Anxiety and Health Problems

Sep. 23, 2025 — Not drinking enough water could intensify stress responses. Researchers found that under-hydrated individuals had cortisol levels more than 50% higher during stressful situations. Poor hydration didn’t make participants feel thirstier, but it did ...

Sneezing from Cats or Dust? Safe UV Light May Neutralize Allergens in Minutes

Sep. 22, 2025 — Sneezing from cats, dust mites, or mold may one day be preventable with a flip of a switch. Researchers at CU Boulder found that UV222 light can alter allergen proteins, reducing allergic reactions ...

Clear Skin in a Week with This Breakthrough Acne Patch

Sep. 20, 2025 — Researchers have created a two-stage acne patch with tiny arrowhead-shaped spikes that deliver healing compounds directly under the skin. Trials showed pimples vanished in seven days, and the technology may expand to treat other ...

Smoking’s Hidden Gut Bacteria Trick May Lead to New Colitis Treatments

Sep. 19, 2025 — For decades, scientists have puzzled over why smoking makes Crohn’s disease worse but seems to protect people from ulcerative colitis. Now, researchers at RIKEN have discovered that smoking creates metabolites like hydroquinone that allow mouth ...

Scientists Build Micromotors Smaller Than a Human Hair

Sep. 18, 2025 — Using laser light instead of traditional mechanics, researchers have built micro-gears that can spin, shift direction, and even power tiny machines. These breakthroughs could soon lead to revolutionary medical tools working at the scale of ...

Goodbye Colonoscopy? Simple Stool Test Detects 90% of Colorectal Cancers

Sep. 17, 2025 — Scientists at the University of Geneva have created the first detailed catalogue of gut bacteria at the subspecies level, unlocking powerful new ways to detect colorectal cancer. By applying machine learning to stool samples, they achieved a 90% ...

Stanford Scientists Reveal Simple Shift That Could Prevent Strokes and Obesity Nationwide

Sep. 16, 2025 — Switching clocks twice a year disrupts circadian rhythms in ways that harm health. Stanford scientists found permanent standard time would reduce obesity and stroke rates nationwide, making it the ...

Ozempic, Wegovy and Mounjaro Makes Food Taste Sweeter and Saltier, and That May Quiet Cravings

Sep. 16, 2025 — Some people taking Ozempic, Wegovy, or Mounjaro notice that food suddenly tastes sweeter or saltier, and this subtle shift in flavor perception appears tied to reduced appetite and stronger feelings ...

Latest Headlines

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AI-Powered Smart Bandage Heals Wounds 25% Faster

Sep. 24, 2025 — A new wearable device, a-Heal, combines AI, imaging, and bioelectronics to speed up wound recovery. It continuously monitors wounds, diagnoses healing stages, and applies personalized treatments like ...

Mushrooms Evolved Psychedelics Twice, Baffling Scientists

Sep. 24, 2025 — Researchers found that magic mushrooms and fiber caps independently evolved different biochemical pathways to create psilocybin. This convergence shows nature’s ingenuity, but the reason why ...

Daily Eye Drops Could Make Reading Glasses Obsolete

Sep. 15, 2025 — Eye drops combining pilocarpine and diclofenac helped patients read extra lines on vision charts, with effects lasting up to two years. The treatment could revolutionize presbyopia care as a safe, ...

Cannabis Use May Quadruple Diabetes Risk

Sep. 14, 2025 — A massive study of over 4 million adults has revealed that cannabis use may nearly quadruple the risk of developing diabetes. Despite some earlier suggestions that cannabis might have metabolic ...

Sleepless Nights May Raise Dementia Risk by 40%, Mayo Clinic Reveals

Sep. 14, 2025 — Chronic insomnia may do more than leave you groggy, it could speed up brain aging. A large Mayo Clinic study found that people with long-term sleep troubles were 40% more likely to develop dementia ...

How Orangutans Thrive in Feast and Famine Without Gaining Weight

Sep. 9, 2025 — Orangutans, humans’ close evolutionary relatives, have developed remarkable strategies to survive in the unpredictable rainforests of Borneo. A Rutgers-led study reveals that these apes balance ...

Heart Attacks May Actually Be Infectious

Sep. 8, 2025 — Scientists from Finland and the UK have uncovered groundbreaking evidence that heart attacks may be triggered by infectious processes rather than just cholesterol and lifestyle factors. Hidden ...

The Fat You Can’t See May Be Damaging Your Heart, Even If You Exercise

Sep. 6, 2025 — Hidden fat wrapped around organs, known as visceral fat, has now been linked to faster heart aging. Using AI and imaging from more than 21,000 people in the UK Biobank, scientists found that this ...

Scientists Reveal How Breakfast Timing May Predict How Long You Live

Sep. 4, 2025 — Meal timing shifts with age, and researchers found that eating breakfast later is tied to depression, fatigue, sleep problems, and an increased risk of death. Monitoring when meals are eaten could ...

Scientists Reveal How Breathwork Unlocks Psychedelic Bliss in the Brain

Sep. 2, 2025 — High-ventilation breathwork with music can evoke psychedelic-like states, shifting blood flow in the brain and reducing negative emotions. Participants experienced unity and bliss, pointing to a ...

Cells “vomit” Waste in a Hidden Healing Shortcut That Could Also Fuel Cancer

Aug. 30, 2025 — Scientists have uncovered a surprising new healing mechanism in injured cells called cathartocytosis, in which cells "vomit" out their internal machinery to revert more quickly to a stem ...

In the Dark for 11 Million Years: How Blind Cavefish Rewrote Evolution

Aug. 29, 2025 — Yale scientists discovered that cavefish species independently evolved blindness and depigmentation as they adapted to dark cave environments, with some lineages dating back over 11 million years. ...

Rats Walk Again After Breakthrough Spinal Cord Repair With 3D Printing

Aug. 26, 2025 — University of Minnesota researchers developed a 3D-printed scaffold that directs stem cells to grow into functioning nerve cells, successfully restoring movement in rats with severed spinal cords. ...

The Common Cold’s Unexpected Superpower Against COVID

Aug. 26, 2025 — A nationwide study found that recent colds caused by rhinoviruses can give short-term protection against COVID-19. Children benefit most, as their immune systems react strongly with antiviral ...

Common Painkillers Like Advil and Tylenol Supercharge Antibiotic Resistance

Aug. 26, 2025 — Painkillers we often trust — ibuprofen and acetaminophen — may be quietly accelerating one of the world’s greatest health crises: antibiotic resistance. Researchers discovered that these drugs ...

Eating Meat May Protect Against Cancer, Landmark Research Shows

Aug. 25, 2025 — A large study of nearly 16,000 adults found no link between eating animal protein and higher death risk. Surprisingly, higher animal protein intake was associated with lower cancer mortality, ...

Your Brain Works Overtime at Night to Burn Fat and Prevent Sugar Crashes

Aug. 24, 2025 — Researchers uncovered that hypothalamic neurons safeguard blood sugar overnight by directing fat breakdown, preventing hypoglycemia during early sleep. This subtle control system may explain abnormal ...

Scientists Just Found a Protein That Reverses Brain Aging

Aug. 20, 2025 — Scientists at UCSF have uncovered a surprising culprit behind brain aging: a protein called FTL1. In mice, too much FTL1 caused memory loss, weaker brain connections, and sluggish cells. But when ...

Is Ketamine the Answer for Chronic Pain? New Findings Cast Doubt

Aug. 18, 2025 — A sweeping review of 67 trials has cast doubt on the use of ketamine and similar NMDA receptor antagonists for chronic pain relief. While ketamine is frequently prescribed off-label for conditions ...

Trojan Horse Bacteria Sneak Cancer-Killing Viruses Into Tumors

Aug. 17, 2025 — Scientists have engineered a groundbreaking cancer treatment that uses bacteria to smuggle viruses directly into tumors, bypassing the immune system and delivering a powerful one-two punch against ...

A Safe Painkiller? New Research Raises Concerns About Tylenol’s Safety in Pregnancy

Aug. 21, 2025 — A large-scale review finds that acetaminophen use during pregnancy may increase the risk of autism and ADHD in children. The strongest studies showed the clearest links, pointing to biological ...

Tiny Microbes May Secretly Rewire the Brain Before Birth

Aug. 19, 2025 — MSU researchers discovered that microbes begin shaping the brain while still in the womb, influencing neurons in a region critical for stress and social behavior. Their findings suggest modern birth ...

A Hidden Sugar Source in Ketchup, Salad Dressing, and Toothpaste

Aug. 25, 2025 — UBC researchers revealed that gut bacteria can digest cellulose-based food thickeners, once thought indigestible, by using enzymes activated by natural dietary fibers. This discovery suggests these ...

How Cats With Dementia Could Help Crack the Alzheimer’s Puzzle

Aug. 14, 2025 — Cats can naturally develop dementia with brain changes strikingly similar to Alzheimer’s disease in humans, including toxic amyloid-beta buildup and loss of synapses. A new study shows these ...

Scientists Discover Brain Layers That Get Stronger With Age

Aug. 12, 2025 — Researchers have discovered that parts of the human brain age more slowly than previously thought—particularly in the region that processes touch. By using ultra-high-resolution brain scans, they ...

The Parasite That Turns Off Your Body’s Pain Alarm and Sneaks in

Aug. 12, 2025 — Scientists have discovered a parasite that can sneak into your skin without you feeling a thing. The worm, Schistosoma mansoni, has evolved a way to switch off the body’s pain and itch signals, ...

Can a Diet Really Ease Lipoedema? Sunniva’s Journey to Pain Relief and Weight Loss

Aug. 10, 2025 — Sunniva Kwapeng struggled with lipoedema, a painful condition causing disproportionate fat accumulation, until finally being diagnosed in her 40s. An NTNU study found that a low-carb diet helped ...

What Scientists Discovered About French Fries and Diabetes

Aug. 11, 2025 — French fries may be more than just a guilty pleasure—they could raise your risk of type 2 diabetes by 20% if eaten three times a week, while the same amount of boiled, baked, or mashed potatoes ...

Scientists Found the Gene That Makes Aussie Skinks Immune to Deadly Snake Venom

Aug. 6, 2025 — Australian skinks have developed a remarkable genetic defense against venomous snake bites by mutating a key muscle receptor, making them resistant to neurotoxins. These tiny but powerful molecular ...

Hidden Gene in Leukemia Virus Could Revolutionize HIV Treatment

Aug. 2, 2025 — Scientists in Japan have discovered a genetic "silencer" within the HTLV-1 virus that helps it stay hidden in the body, evading the immune system for decades. This silencer element ...