Busy brains may stave off Alzheimer’s signs. Busy brains may stave off Alzheimer's signs Mice who keep their brains and bodies busy in an "enriched" environment of chew toys, running wheels, and tunnels have lower levels of the peptides and brain plaques associated with Alzheimer's disease compared to mice raised in more sparse conditions, according to a new study in the 11 March [...] [World of Psychology]000000comment []