1+ day, 13+ hour ago   (1028+ words) A bacterium in the human urinary tract can convert a steroid made by the body into testosterone using two newly identified enzymes. A bacterium that lives inside the human urinary tract can turn a steroid the body already makes into…...

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…...

2+ day, 17+ hour ago   (829+ words) For adults over 65, fewer full showers may help protect fragile, dry skin, according to dermatologists. The daily shower feels like a rule. It is closer to a habit, and a fairly recent one, built on plumbing and social expectation rather…...

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…...

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, 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…...

1+ week, 17+ hour ago   (949+ words) Plant-based diets can trigger body changes that help people absorb and use some nutrients more efficiently over time. Changing how a person eats can bring practical worries. Someone moving toward a plant-based diet may notice more bloating, wonder about protein…...

1+ week, 3+ day ago   (991+ words) Teenagers with bigger differences between weekday and weekend sleep schedules may experience slightly higher anxiety, according to a large review. Teenagers do not always sleep at the same times on school days and weekends. Early school mornings can force them…...