6+ hour, 47+ min ago   (943+ words) A surplus of insulating brain cells, low on one protective protein, tracked the steepest cognitive decline in adults followed since childhood. After 70, memory and quick thinking slow down for most people, and the usual explanation is that the brain’s wiring…...

9+ hour, 28+ min ago   (1157+ words) Early stress in mitochondria before birth helped mouse hearts resist later chemotherapy damage by creating lasting protective changes. Chemotherapy can save lives, but some drugs can also put the heart under serious strain. Doxorubicin, a chemotherapy used against several cancers,…...

2+ day, 10+ hour ago   (1003+ words) Carefully timed sounds can make fluid waves larger in the sleeping brain, giving researchers a new way to study how brain activity and CSF flow are connected. Sleep is often treated as a time when the brain simply shuts down....

2+ day, 11+ hour ago   (1013+ words) Psychiatrists given the same cases agreed on a diagnosis only 55% of the time, revealing striking differences in how symptoms are interpreted. A psychiatric diagnosis can shape treatment, communication among doctors, and expectations about a person’s condition. For that system to…...

2+ day, 16+ hour ago   (1005+ words) Overlooked ocean foods such as oysters, mussels, shrimp and other invertebrates deliver surprisingly large amounts of essential vitamins and minerals. Fisheries and fish farms report their output in tons, which measures how much food there is but not what’s in…...

4+ day, 17+ hour ago   (1126+ words) Two groups of brainstem cells build sleep drive in mice, and damping them cut sleep by nearly 70% without the usual damage. Push through a long enough day and the urge to sleep stops being a choice. That pressure builds the…...

4+ day, 18+ hour ago   (1225+ words) Sunlight contains indigo light that indoor LEDs largely lack, and restoring it completely stopped nearsightedness in a near-primate model. Two hours a day of outside light lowers a child’s chances of developing myopia. What nobody could pin down was which…...

6+ day, 10+ hour ago   (1000+ words) A compound called TOFA helped obese mice lose 18% of their body weight without eating less, while preserving lean tissue and improving blood sugar and liver fat. Medicines such as semaglutide and tirzepatide have changed how doctors treat obesity and type…...

6+ day, 17+ hour ago   (512+ words) For most of the antibiotic era, the plan for fighting bacteria has been blunt: kill them. Two research teams, one in Germany and one in Brazil, are testing a quieter idea. Their plant-derived compounds do not kill cells. They jam…...

1+ week, 4+ hour ago   (1059+ words) Global snakebite patterns are predictably correlated with a variety of environmental and socioeconomic factors. Every morning, millions of people walk into fields, tea rows and rice paddies to work, many in sandals or barefoot. A snake lying in the crop…...