Human brain

Dr. Maiken Nedergaard, left, points to images of brain scans of mice joined by her colleague Lulu Xie, of the University of Rochester Medical Center. (AP Photo/University of Rochester Medical Center )

Study: Good night’s sleep cleans out gunk in brain

LOS ANGELES (AP) — When we sleep, our brains get rid of gunk that builds up while we’re awake, suggests a study that may provide new clues to treat Alzheimer’s disease and other disorders. This […]

10/17/2013