4+ hour, 49+ min ago  (417+ words) Teenagers who begin using cannabis may experience slower cognitive development during some of the brain's most critical growth years, according to the largest long-term U. S. study ever conducted on adolescent brain development. The research, published April 20 in the journal Neuropsychopharmacology, followed…...

2+ mon, 5+ day ago  (850+ words) Heavy social media use may be quietly eroding attention, memory, and focus at a rate comparable to a decade of cognitive aging, but new research suggests that stepping away for just two weeks can significantly reverse that decline, offering a…...