Play on! In a first, brain train­ing cuts risk of demen­tia 10 years lat­er (STAT News): “For the first time ever, researchers have man­aged to reduce people’s risk for demen­tia — not through a med­i­cine, spe­cial diet, or exer­cise, but by hav­ing healthy old­er adults play a com­put­er-based brain-train­ing game. The train­ing near­ly halved the inci­dence of…