Health & Medicine News

July 9, 2025

Top Headlines

Hate Exercise? Neuroscience Maps the Routine Your Personality Will Love

July 8, 2025 — A new UCL study reveals that aligning workouts with personality boosts fitness and slashes stress—extroverts thrive on HIIT, neurotics favor short, private bursts, and everyone benefits when enjoyment leads the ...

Alzheimer’s Doesn’t Strike at Random: These 4 Early-Warning Patterns Tell the Story

July 7, 2025 — UCLA scientists mined millions of electronic health records and uncovered four distinct “roadways” that funnel people toward Alzheimer’s—ranging from mental-health struggles to vascular ...

Study Finds Tummy-Tuck Patients Still Shedding Pounds Five Years Later

July 7, 2025 — Patients who undergo tummy tuck surgery may be in for more than just cosmetic changes — a new study shows they often keep losing weight for years after the procedure. Researchers followed 188 patients and found consistent weight reduction up to ...

Feeling Mental Exhaustion? These Two Areas of the Brain May Control Whether People Give Up or Persevere

July 7, 2025 — When you're mentally exhausted, your brain might be doing more behind the scenes than you think. In a new study using functional MRI, researchers uncovered two key brain regions that activate when ...

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 in their hair for months, a stress echo that may ...

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 ...

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 nature-connectedness—especially when all three senses were ...

Heart Disease Deaths Worldwide Linked to Chemical Widely Used in Plastics

July 6, 2025 — DEHP, a chemical used in plastics, may have contributed to over 356,000 heart-related deaths globally in 2018—most heavily in Asia and the Middle East. The chemical, linked to inflammation in arteries, is found in items like food packaging and ...

Pregnancy’s 100-Million-Year Secret: Inside the Placenta’s Evolutionary Power Play

July 6, 2025 — A group of scientists studying pregnancy across six different mammals—from humans to marsupials—uncovered how certain cells at the mother-baby boundary have been working together for over 100 ...

New Tech Tracks Blood Sodium Without a Single Needle

July 6, 2025 — Scientists have pioneered a new way to monitor sodium levels in the blood—without drawing a single drop. By combining terahertz radiation and optoacoustic detection, they created a non-invasive system that tracks sodium in real time, even through ...

Scientists Reverse Parkinson’s Symptoms in Mice — Could Humans Be Next?

July 5, 2025 — Scientists at the University of Sydney have uncovered a malfunctioning version of the SOD1 protein that clumps inside brain cells and fuels Parkinson’s disease. In mouse models, restoring the protein’s function with a targeted copper supplement ...

Tiny Twitches, Big Breakthrough: New Clues to Catch Parkinson’s Sooner

July 5, 2025 — These findings highlight the significance of rearing behavior and behavioral lateralization as potential behavioral markers for tracking the progression of Parkinson's ...

Latest Headlines

updated 9:08am EDT

The Surprising Link Between Hearing Loss, Loneliness, and Lifespan

July 5, 2025 — People who treat hearing loss with hearing aids or cochlear implants regain rich conversations, escape isolation, and may even protect their brains and lifespans—proof that better hearing ...

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 Confirms That Neurons Form in the Adult Brain

July 4, 2025 — Researchers from Sweden have discovered that the human brain continues to grow new cells in the memory region—called the hippocampus—even into old age. Using advanced tools to examine brain ...

Scientists Starved Worms — Then Discovered the Switch That Controls Aging

July 4, 2025 — Scientists have discovered that starving and then refeeding worms can reveal surprising secrets about aging. When a specific gene (called TFEB) is missing, these worms don’t bounce back from ...

Scientists Just Found a Major Flaw in a Key COVID Drug Study

July 4, 2025 — A promising path to fighting COVID and other coronaviruses may have been based on a serious mistake. Scientists had zeroed in on a part of the virus called the NiRAN domain, believed to be a powerful ...

A Cholesterol Secret Inside Ticks May Halt Lyme Disease Spread

July 4, 2025 — Scientists have discovered that the bacteria behind Lyme disease and anaplasmosis have a sneaky way of surviving inside ticks—they hijack the tick’s own cell functions to steal cholesterol they ...

Parkinson’s Reversal? One Drug Brings Dying Brain Cells Back to Life

July 3, 2025 — Stanford researchers discovered that dialing down an overactive enzyme, LRRK2, can regrow lost cellular “antennae” in key brain cells, restoring vital dopamine communication and neuroprotective ...

AI Spots Deadly Heart Risk Most Doctors Can't See

July 3, 2025 — An advanced Johns Hopkins AI model called MAARS combs through underused heart MRI scans and complete medical records to spot hidden scar patterns that signal sudden cardiac death, dramatically ...

Even Low Levels of Air Pollution May Quietly Scar Your Heart, MRI Study Finds

July 3, 2025 — Breathing polluted air—even at levels considered “safe”—may quietly damage your heart. A new study using advanced MRI scans found that people ...

Sweet-Smelling Molecule Halts Therapy-Resistant Pancreatic Cancer

July 3, 2025 — A compound best known for giving almonds and apricots their aroma may be the key to defeating hard-to-kill cancer cells. Japanese researchers found that benzaldehyde can stop the shape-shifting ...

Deafness Reversed: Single Injection Brings Hearing Back Within Weeks

July 2, 2025 — A cutting-edge gene therapy has significantly restored hearing in children and adults with congenital deafness, showing dramatic results just one month after a single injection. Researchers used a ...

This Sun-Powered Sponge Pulls Drinking Water Straight from the Ocean

July 3, 2025 — In a leap toward sustainable desalination, researchers have created a solar-powered sponge-like aerogel that turns seawater into drinkable water using just sunlight and a plastic cover. Unlike ...

The Fatal Mutation That Lets Cancer Outsmart the Human Immune System

July 2, 2025 — Scientists at UC Davis discovered a small genetic difference that could explain why humans are more prone to certain cancers than our primate cousins. The change affects a protein used by immune ...

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 ...

Tiny Gut “sponge” Bacteria Found to Flush out Toxic PFAS “forever Chemicals”

July 2, 2025 — Cambridge scientists have spotted gut bacteria that greedily soak up PFAS “forever chemicals,” then ferry them safely out of the body in animal tests, removing up to three-quarters of the toxins ...

Researchers Tested 200 Toddlers — 96 Chemicals Were Lurking in Their Bodies

July 2, 2025 — Researchers testing urine from 2- to 4-year-olds in four U.S. states uncovered 96 different chemicals, many of them unmonitored and linked to hormone and brain disruption. Legacy toxins like ...

Ultrafast 12-Minute MRI Maps Brain Chemistry to Spot Disease Before Symptoms

July 2, 2025 — Illinois engineers fused ultrafast imaging with smart algorithms to peek at living brain chemistry, turning routine MRIs into metabolic microscopes. The system distinguishes healthy regions, grades ...

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 ...

Synthetic Storm: What’s Really in Your Teen’s Vape — and Why Scientists Are Alarmed

July 1, 2025 — Teen vaping is changing fast — and not in a good way. A large national study found that more adolescents are vaping THC, CBD, and especially synthetic cannabinoids, which are often unregulated and ...

Is That Really ADHD? Why Flawed Trials May Be Misleading Millions

July 1, 2025 — Researchers reviewing nearly 300 top-tier ADHD drug trials found that half skipped the rigorous, expert-led evaluations needed to rule out other conditions like depression or schizophrenia. With ...

This Virus Infects Millions—and We Just Discovered Its Secret Weapon

June 30, 2025 — Scientists have discovered a stealthy mechanism that cytomegalovirus (CMV)—the leading infectious cause of birth defects in the U.S.—uses to infiltrate blood vessel cells while evading immune ...

Scientists Just Found a Sugar Switch That Protects Your Brain from Alzheimer's

June 30, 2025 — Scientists have uncovered a surprising sugar-related mechanism inside brain cells that could transform how we fight Alzheimer’s and other dementias. It turns out neurons don’t just store sugar ...

This AI Tracks Lung Tumors as You Breathe — and It Might Save Lives

June 30, 2025 — An AI system called iSeg is reshaping radiation oncology by automatically outlining lung tumors in 3D as they shift with each breath. Trained on scans from nine hospitals, the tool matched expert ...

Ancient DNA Reveals Leprosy Hit the Americas Long Before Colonization

June 30, 2025 — Leprosy’s tale stretches from 5,000-year-old skeletons in Eurasia to a startling 4,000-year-old case in Chile, revealing that the rare strain Mycobacterium lepromatosis haunted the Americas ...

Scientists Just Mapped How the Body Rejects Pig Organs—and How to Stop It

July 1, 2025 — Scientists have achieved an unprecedented look into how the human immune system attacks a transplanted pig kidney, using spatial molecular imaging to map immune activity down to the cellular level. ...

A Tiny Implant Just Helped Paralyzed Rats Walk Again—is Human Recovery Next?

June 28, 2025 — A groundbreaking study from the University of Auckland and Chalmers University of Technology is offering new hope for spinal cord injury patients. Researchers have developed an ultra-thin implant ...

AI Sees What Doctors Miss: Fatty Liver Disease Hidden in Chest X-Rays

June 27, 2025 — Researchers in Japan created an AI that can detect fatty liver disease from ordinary chest X-rays—an unexpected and low-cost method that could transform early diagnosis. The model proved highly ...

Scientists Discover ‘off Switch’ Enzyme That Could Stop Heart Disease and Diabetes

June 30, 2025 — Researchers at UT Arlington have discovered a key enzyme, IDO1, that when blocked, helps immune cells regain their ability to properly process cholesterol—something that breaks down during ...

Fire Smoke Exposure Leaves Toxic Metals and Lasting Immune Changes

June 30, 2025 — Smoke from wildfires and structural fires doesn t just irritate lungs it actually changes your immune system. Harvard scientists found that even healthy people exposed to smoke showed signs of immune ...