Top Health News

December 5, 2025

Top Headlines

Scientists Reveal a Powerful Heart Boost Hidden in Everyday Foods

Dec. 5, 2025 Regular consumption of polyphenol-rich foods like tea, coffee, berries, nuts, and whole grains may significantly support long-term heart health. A decade-long study of more than 3,100 adults found that those who consistently ate polyphenol-packed ...

Alzheimer’s Blood Tests May Be Misleading for People with Kidney Problems

Dec. 5, 2025 A large study found that people with impaired kidneys tend to have higher Alzheimer’s biomarkers, yet they don’t face a higher overall risk of dementia. For those who already have elevated biomarkers, kidney problems may speed up when symptoms ...

Scientists Find Hidden Brain Nutrient Drop That May Fuel Anxiety

Dec. 4, 2025 Researchers found that people with anxiety disorders consistently show lower choline levels in key brain regions that regulate thinking and emotions. This biochemical difference may help explain why the brain reacts more intensely to stress in ...

Daily Coffee May Slow Biological Aging in Mental Illness

Dec. 4, 2025 Researchers studying people with major psychiatric disorders found that drinking up to four cups of coffee a day is associated with longer telomeres. This suggests a potential slowing of biological aging by about five years. However, drinking five ...

Scientists Capture Flu Viruses Surfing Into Human Cells in Real Time

Dec. 4, 2025 Scientists have captured a never-before-seen, high-resolution look at influenza’s stealthy invasion of human cells, revealing that the cells aren’t just helpless victims. Using a groundbreaking imaging technique, researchers discovered that our ...

A Routine Shingles Shot May Offer Powerful Defense Against Dementia

Dec. 3, 2025 A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective effect held steady across multiple analyses and was ...

Scientists Discover First Gene Proven to Directly Cause Mental Illness

Dec. 2, 2025 Scientists have discovered that a single gene, GRIN2A, can directly cause mental illness—something previously thought to stem only from many genes acting together. People with certain variants of this gene often develop psychiatric symptoms much ...

Scientists Discover Hidden Switch That Helps Cancer Cells Survive

Dec. 1, 2025 Researchers have found a small but powerful switch inside breast cancer cells that helps them survive stressful conditions. When this switch flips, the cells activate protective programs that make them tougher and faster-growing. The finding reveals ...

New Study Finds Cancer-linked Compounds in Common Foods

Dec. 1, 2025 Scientists have found that common foods can contain hidden contaminants formed during cooking or through environmental exposure. A new testing method called QuEChERS helps identify these chemicals more quickly and with greater ease. The research ...

New Brain Imaging Breakthrough Reveals Clues to Parkinson’s

Dec. 1, 2025 A high-speed “zap-and-freeze” method is giving scientists their clearest view yet of how brain cells send messages. By freezing tissue at the instant a signal fires, researchers revealed how synaptic vesicles behave in both mouse and human ...

RSV Prevention in Newborns Could Cut Asthma Risk

Nov. 30, 2025 Scientists found that RSV infection early in life can set the stage for childhood asthma, particularly in kids already genetically prone to allergies. The virus appears to skew the developing immune system toward exaggerated responses to everyday ...

Hidden Blood Molecules Show Surprising Anti-aging Power

Nov. 29, 2025 Scientists have identified new anti-aging compounds produced by a little-studied blood bacterium. These indole metabolites were able to reduce inflammation, oxidative stress, and collagen-damaging activity in skin cell cultures. Three of the ...

Latest Headlines

updated 9:06am EST

Experimental RNA Treatment Shows Surprising DNA Repair Power

Dec. 5, 2025 Cedars-Sinai scientists have created a new experimental drug called TY1 that helps the body repair damaged DNA and restore injured tissue. The discovery came from studying tiny molecular messages ...

Simple Nutrient Mix Delivers Surprising Autism Breakthrough in Mice

Dec. 4, 2025 A low-dose mix of zinc, serine, and branched-chain amino acids boosted neural function and social behavior in autism mouse models. The combination restored more typical synaptic protein patterns and ...

Gas Stoves Are Filling Millions of Homes With Hidden Toxic Air

Dec. 3, 2025 Stanford researchers found that gas stoves expose Americans to surprisingly high levels of nitrogen dioxide—often matching or exceeding outdoor pollution. For millions, cooking alone pushes NO2 ...

A Common Constipation Drug Shows a Surprising Ability to Protect Kidneys

Dec. 3, 2025 A surprising link between constipation and kidney decline led researchers to test lubiprostone, revealing that it can protect kidney function. The results point toward gut-based, ...

Your Sweat Reveals Health Problems Long Before Symptoms Appear

Dec. 3, 2025 Sweat carries a rich mix of biomarkers that advanced wearables can now track in real time. New AI-powered patches analyze biochemical patterns to detect disease risks, medication levels, or stress ...

Scientists Reveal What Really Drives the “freshman 15”

Dec. 3, 2025 College life creates a perfect storm for overeating, as students consume more calories when surrounded by friends, eating in dining halls, or following unstructured schedules. A four-week study using ...

A Long-Overlooked Weak Point in Your DNA Has Just Been Revealed

Dec. 3, 2025 Scientists discovered that the first 100 base pairs of human genes are unusually prone to mutations, especially during the earliest stages of embryonic development. These mosaic mutations often go ...

Is Your Gut Being Poisoned? Scientists Reveal the Hidden Impact of Everyday Chemicals

Dec. 2, 2025 Researchers discovered that 168 common chemicals can disrupt the growth of beneficial gut bacteria, with some also promoting antibiotic resistance. ...

A 70-Year-Old Pregnancy Drug Just Revealed a Hidden Weakness in Brain Cancer

Dec. 2, 2025 Researchers have solved the decades-old mystery behind how a common pregnancy drug lowers blood pressure. It turns out the medication blocks a ...

Scientists Boost Lifespan by 70% in Elderly Male Mice Using Simple Drug Combo

Dec. 2, 2025 Scientists found that combining oxytocin with an Alk5 inhibitor revitalized extremely old male mice, boosting their lifespan and strength. Female ...

Doctors Are Seeing More Aggressive Breast Cancer in Younger Women Than Expected

Dec. 1, 2025 Younger women are being diagnosed with breast cancer more often than screening guidelines anticipate. Many of these cancers are invasive and harder to treat, especially in those under 40. After ...

Fast Depression Relief? Nitrous Oxide Shows Remarkable Potential

Dec. 2, 2025 Nitrous oxide may offer quick, short-term relief for people with major depression, especially those who haven’t responded to standard medications. The meta-analysis found rapid improvements after a ...

Scientists Studied 47,000 Dogs on CBD and Found a Surprising Behavior Shift

Nov. 28, 2025 Data from over 47,000 dogs reveal that CBD is most often used in older pets with chronic health issues. Long-term CBD use was linked to reduced aggression, though other anxious behaviors didn’t ...

Bird Flu’s Surprising Heat Tolerance Has Scientists Worried

Nov. 28, 2025 Researchers discovered why bird flu can survive temperatures that stop human flu in its tracks. A key gene, PB1, gives avian viruses the ability to replicate even at fever-level heat. Mice ...

Polluted Air Quietly Erases the Benefits of Exercise

Nov. 28, 2025 Long-term inhalation of toxic air appears to dull the protective power of regular workouts, according to a massive global study spanning more than a decade and over a million adults. While exercise ...

Why Some Memories Last a Lifetime While Others Fade Fast

Nov. 30, 2025 Scientists have uncovered a stepwise system that guides how the brain sorts and stabilizes lasting memories. By tracking brain activity during virtual reality learning tasks, researchers identified ...

Scientists Find a Hidden Obesity Trigger in Soybean Oil

Nov. 30, 2025 Researchers at UC Riverside have uncovered why soybean oil, one of America's most widely consumed ingredients, drives significant weight gain—at least in mice. The findings point not to the ...

Repeated Head Impacts May Quietly Break the Brain’s Cleanup System

Nov. 28, 2025 Researchers found that repeated head impacts can disrupt a key system that helps the brain wash away waste. In professional fighters, this system initially seems to work harder after trauma, then ...

Scientists Uncover the Brain’s Hidden Learning Blocks

Nov. 28, 2025 Princeton researchers found that the brain excels at learning because it reuses modular “cognitive blocks” across many tasks. Monkeys switching between visual categorization challenges revealed ...

Scientists Reveal Five Big Moments When Your Brain Dramatically Changes

Dec. 1, 2025 A large study of brain scans shows that our neural wiring evolves through five major stages from birth to late old age. These phases are separated by sudden turning points that mark big shifts in how ...

Scientists Discover a Hidden Brain Circuit That Rewrites Vision

Nov. 30, 2025 MIT scientists found that what we see is strongly influenced by how alert or active we are. Parts of the brain responsible for planning and control send specialized signals that either boost or quiet ...

Simple Thyroid Check in Pregnancy May Lower Autism Risk

Nov. 29, 2025 Researchers have found that ongoing thyroid hormone imbalance in pregnancy may be linked to higher autism risk in children. Treated thyroid disorders did not show the same effect. The longer the ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver ...

How Personalized Algorithms Trick Your Brain Into Wrong Answers

Nov. 25, 2025 Personalized algorithms may quietly sabotage how people learn, nudging them into narrow tunnels of information even when they start with zero prior knowledge. In the study, participants using ...

Scientists Discover Hidden Wolf DNA in Most Dogs

Nov. 29, 2025 Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

Where Cannabis Stores Cluster, Emergency Visits Climb

Nov. 28, 2025 Researchers analyzed data from over six million people to see how close residents lived to cannabis retailers. Neighborhoods near these shops experienced higher cannabis-related emergency visits ...

Study Finds Untreated Sleep Apnea Doubles Parkinson’s Risk

Nov. 27, 2025 A massive veteran study found a strong connection between untreated sleep apnea and a higher chance of Parkinson’s. CPAP users had much lower odds of developing the condition. Researchers believe ...

A Hidden Brain Energy Signal Drives Depression and Anxiety

Nov. 26, 2025 Scientists discovered that lowered brain energy signaling in the hippocampus can lead to both depression- and anxiety-like behaviors in mice. Stress reduced ATP, a molecule important for cell energy ...

The Body Trait That Helps Keep Your Brain Young

Nov. 25, 2025 Scientists discovered that more muscle and less hidden abdominal fat are linked to a younger biological brain age. Deep visceral fat appeared to accelerate brain aging, while muscle mass offered a ...

Scientists Reveal a Hidden Alarm System Inside Your Cells

Nov. 25, 2025 Ribosomes don’t just make proteins—they can sense when something’s wrong. When they collide, they send out stress signals that activate a molecule called ZAK. Researchers uncovered how ZAK ...