Too Much TV And Chill Could Reduce Brain Pow­er Over Time (NPR): “Researchers at the Uni­ver­si­ty of Cal­i­for­nia, San Fran­cis­co checked in with 3,247 peo­ple for 25 years, start­ing when they were young adults…People who got lit­tle exer­cise or watched at least three hours of TV a day did worse on tests mea­sur­ing cog­ni­tive focus…