Human Quirks: Mind & Brain

September 20, 2025

Top Headlines

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 ...

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 or cognitive impairment, with brain scans showing ...

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 provide an easy health marker for aging ...

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 natural therapeutic tool with powerful ...

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 metabolism in ...

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 ...

Scientists Solve 30-year Mystery of a Hidden Nutrient That Shields the Brain and Fights Cancer

Aug. 21, 2025 — Scientists have finally uncovered the missing link in how our bodies absorb queuosine, a rare micronutrient crucial for brain health, memory, stress response, and cancer defense. For decades, ...

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 researchers blocked it, the animals regained youthful ...

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 practices that alter the microbiome may have ...

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 like fibromyalgia and nerve pain, researchers found ...

Cutting Sugar Won’t Curb Your Sweet Tooth, Scientists Say

Aug. 12, 2025 — A six-month randomized trial challenges the idea that eating more sweet foods increases a person’s preference for sweetness. Participants on diets with high, low, or mixed sweetness levels showed no changes in their sweet taste preferences, energy ...

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 found that while some layers of the cerebral cortex ...

Latest Headlines

updated 2:29pm EDT

Scientists May Have Found the Tiny DNA Switch That Made Us Human

Aug. 15, 2025 — Scientists at UC San Diego have discovered a small but powerful section of DNA, called HAR123, that could help explain what makes the human brain so unique. Instead of being a gene, HAR123 acts like ...

The Surprising Brain Chemistry Behind Instant Friendships

Aug. 13, 2025 — UC Berkeley scientists found oxytocin is key for quickly forming strong friendships, but less critical for mate bonds. In prairie voles, a lack of oxytocin receptors delayed bonding and reduced ...

Scientists Find Brain Cell Switch That Could Reverse Obesity’s Effects

Aug. 8, 2025 — High-fat diets and obesity reshape astrocytes—star-shaped brain cells in the striatum that help regulate pleasure from eating. French researchers discovered that tweaking these cells in mice not ...

Johns Hopkins Scientists Grow a Mini Human Brain That Lights Up and Connects Like the Real Thing

Aug. 4, 2025 — Scientists at Johns Hopkins have grown a first-of-its-kind organoid mimicking an entire human brain, complete with rudimentary blood vessels and ...

Pain Relief Without Pills? VR Nature Scenes Trigger the Brain’s Healing Switch

July 31, 2025 — Stepping into a virtual forest or waterfall scene through VR could be the future of pain management. A new study shows that immersive virtual nature ...

Why Cold Feels Good: Scientists Uncover the Chill Pathway

July 30, 2025 — A newly mapped neural circuit shows how our skin senses cool temperatures and sends that info to the brain, revealing an unexpected amplifier in the spinal cord and offering insight into cold-related ...

The Pandemic’s Secret Aftershock: Inside the Gut-Brain Breakdown

July 30, 2025 — A new global study reveals a striking post-pandemic surge in gut-brain disorders like IBS and functional dyspepsia. Researchers compared data from 2017 and 2023 and discovered sharp increases IBS up ...

This Brain Circuit May Explain Fluctuating Sensations—and Autism

July 30, 2025 — Sometimes a gentle touch feels sharp and distinct, other times it fades into the background. This inconsistency isn’t just mood—it’s biology. Scientists found that the thalamus doesn’t just ...

Science Tested 64 Natural Remedies for Depression—only a Few Actually Work

July 28, 2025 — Over-the-counter (OTC) products like St John’s Wort and omega-3s have long been touted for helping with depression, but new research reveals that ...

Even Without Catching COVID, the Pandemic May Have Quietly Aged Your Brain

July 24, 2025 — Even people who never caught Covid-19 may have aged mentally faster during the pandemic, according to new brain scan research. This large UK study shows how the stress, isolation, and upheaval of ...

Your Brain Sees Faces in Everything—and Science Just Explained Why

July 24, 2025 — You may be seeing faces in clouds, toast, or cars—and it turns out your brain is wired to notice them. A fascinating new study shows how our attention is hijacked not just by real faces, but by ...

Optimists Think Alike—and Brain Scans Just Proved It

July 23, 2025 — When imagining the future, optimists' brains tend to look remarkably alike, while pessimists show more varied neural activity. This neurological alignment could explain why optimists are often ...

Tai Chi, Yoga, and Jogging Rival Pills for Beating Insomnia

July 17, 2025 — Yoga, Tai Chi, walking, and jogging may be some of the best natural remedies for improving sleep and tackling insomnia, according to a large analysis comparing various treatments. While cognitive ...

It’s Not That You Look—it’s When: The Hidden Power of Eye Contact

July 17, 2025 — A groundbreaking study from Flinders University reveals that it's not just making eye contact that matters, but precisely when and how you do it. By studying interactions between humans and ...

July 19, 2025 — Erythritol, a widely used sugar substitute found in many low-carb and sugar-free products, may not be as harmless as once believed. New research from the University of Colorado Boulder reveals that ...

Magic Mushrooms Rewind Aging in Mice—could They Do the Same for Humans?

July 22, 2025 — A surprising discovery from Emory University shows that psilocin, the active metabolite of psychedelic mushrooms, can delay cellular aging and extend lifespan. Human cells lived over 50% longer, and ...

Frozen Light Switches: How Arctic Microbes Could Revolutionize Neuroscience

July 5, 2025 — In the frozen reaches of the planet—glaciers, mountaintops, and icy groundwater—scientists have uncovered strange light-sensitive molecules in tiny microbes. These “cryorhodopsins” can ...

New Research Shows Monday Stress Is Etched Into Your Biology

July 7, 2025 — Feeling jittery as the week kicks off isn’t just a mood—it leaves a biochemical footprint. Researchers tracked thousands of older adults and found those who dread Mondays carry elevated cortisol ...

Multisensory VR Forest Reboots Your Brain and Lifts Mood—study Confirms

July 6, 2025 — Immersing stressed volunteers in a 360° virtual Douglas-fir forest complete with sights, sounds and scents boosted their mood, sharpened short-term memory and deepened their feeling of ...

Why Anger Cools After 50: Surprising Findings from a New Menopause Study

July 3, 2025 — Anger isn’t just a fleeting emotion—it plays a deeper role in women’s mental and physical health during midlife. A groundbreaking study tracking over 500 women aged 35 to 55 reveals that anger ...

A Midlife MRI That Spots Rapid Aging and Signals Disease Long Before Symptoms

July 2, 2025 — A new brain scan tool shows how quickly your body and mind are aging. It can spot early signs of diseases like dementia, long before symptoms begin. The scan looks at hidden clues in your brain to ...

The Pandemic Pet Boom Was Real. The Happiness Boost Wasn’t

July 2, 2025 — Locked-down Hungarians who gained or lost pets saw almost no lasting shift in mood or loneliness, and new dog owners actually felt less calm and satisfied over time—hinting that the storied “pet ...

Is Cheese Secretly Fueling Your Nightmares? Science Weighs in

July 1, 2025 — Over a thousand students revealed a striking link between lactose intolerance and nightmare-filled nights, hinting that midnight stomach turmoil from dairy can invade dreams. Researchers suggest ...

Cough Medicine Turned Brain Protector? Ambroxol May Slow Parkinson’s Dementia

July 6, 2025 — Ambroxol, long used for coughs in Europe, stabilized symptoms and brain-damage markers in Parkinson’s dementia patients over 12 months, whereas placebo patients worsened. Those with high-risk genes ...

Are Lefties Really More Creative? 100 Years of Data Say No

July 1, 2025 — A sweeping review of more than a century’s research upends the popular notion that left-handers are naturally more creative. Cornell psychologist Daniel Casasanto’s team sifted nearly a thousand ...

Scientists Discovered How a Scent Can Change Your Mind

July 4, 2025 — Mice taught to link smells with tastes, and later fear, revealed how the amygdala teams up with cortical regions to let the brain draw powerful indirect connections. Disabling this circuit erased the ...

The Gene That Hijacks Fear: How PTEN Rewires the Brain’s Anxiety Circuit

June 29, 2025 — Deleting a gene called PTEN in certain brain cells disrupts the brain’s fear circuitry and triggers anxiety-like behavior in mice — key traits seen in autism. Researchers mapped how this genetic ...

The Brain’s Sweet Spot: How Criticality Could Unlock Learning, Memory—and Prevent Alzheimer’s

June 25, 2025 — Our brains may work best when teetering on the edge of chaos. A new theory suggests that criticality a sweet spot between order and randomness is the secret to learning, memory, and adaptability. ...

1.7 Million Patients Reveal Stunning Link Between Semaglutide and Lower Dementia Risk

June 25, 2025 — A blockbuster diabetes and weight-loss drug might be doing more than controlling blood sugar it could also be protecting the brain. Researchers at Case Western Reserve University found that people ...

USC's New AI Implant Promises Drug-Free Relief for Chronic Pain

June 24, 2025 — A groundbreaking wireless implant promises real-time, personalized pain relief using AI and ultrasound power no batteries, no wires, and no opioids. Designed by USC and UCLA engineers, it reads brain ...