Teens who are active are doing their bones a lasting favor, Japanese researchers report. “Physical exercise in adolescence affects BMD [bone mineral density] more than 50 years later in older adults,” said lead researcher Dr. Yoshifumi Tamura, a faculty member at Juntendo University in Tokyo. “Our findings can guide the selection of sports played during…  read on >  read on >

An average of 22 U.S. teens die each week from drug overdoses, a death toll driven by the powerful synthetic opioid fentanyl, a new study reports. Researchers also have identified 19 “hotspot” counties where fatal ODs are occurring as much as double the national average. The overdose death rate for 14- to 18-year-olds now stands…  read on >  read on >

Ear infections are common for kids, but they can lead to long-term developmental problems, a new study finds. Temporary hearing loss caused by recurring ear infections can lead to delays in language development and sound processing years later, researchers reported recently in the International Journal of Pediatric Otorhinolaryngology. “Ear infections are so common that we…  read on >  read on >

The fluid-filled spaces around the brain’s blood vessels need proper waste “clearance” every few hours. When that fails to happen, a baby’s risk for autism appears to rise, new research shows. It’s too early to say that trouble within these “perivascular” spaces causes autism, but it seems to be an early marker for the condition,…  read on >  read on >

Tiny, powerful magnetic balls sold exclusively online at Walmart as building blocks and stress relievers have been recalled for swallowing dangers, the U.S. Consumer Products Safety Commission (CPSC) said Thursday. In announcing the recall, the commission pointed to thousands of hospitalizations and at least seven deaths linked to similar products. Swallowing magnets is dangerous because…  read on >  read on >