9+ hour, 29+ 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....

3+ day, 18+ hour ago   (1037+ words) Nature-based social prescribing eased loneliness in a Barcelona trial, but only the loneliest participants needed the nine-week group. In parts of Europe, a doctor can now hand a lonely patient a referral to a gardening club or a walking group…...

3+ day, 19+ hour ago   (1237+ words) Oregon psilocybin services enrolled 346 adults for three months, and their depression, anxiety and PTSD scores fell steeply and stayed down. In Oregon, any adult 21 or older can book a supervised psilocybin session at a licensed service center. The client pays…...

3+ day, 19+ hour ago   (953+ words) Nicotine injures blood vessels by two routes at once, and only quitting entirely, not switching to a vape or pouch, clears the risk. Thomas Münzel, a cardiologist at the University Medical Center Mainz, led the review with Filippo Crea of…...

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…...

5+ day, 7+ hour ago   (1001+ words) Alcohol cancer deaths in the US doubled since 1990, and among adults under 55 colorectal and breast cancer now top the list. When someone cuts back on drinking for their health, the organ they’re picturing is the liver. A new study of…...

5+ day, 17+ hour ago   (995+ words) Feeding wild birds brings joy, calm, connection, and meaning, with 95% of bird feeders saying the activity positively affects their well-being. A bird feeder can become part of an ordinary day: fill it, glance out the window, and see which birds…...

6+ day, 14+ hour ago   (1217+ words) A battery-free pacemaker can harvest energy from each heartbeat, potentially allowing future devices to work far longer without replacement. Inside the lower right chamber of the heart, the newest kind of pacemaker is a titanium capsule with no wires attached,…...