Alzheimer’s could be caused by past infections

Aired: 5/28/2016 | 0:03:33 | Clip
More than five million Americans live with Alzheimer’s, a degenerative brain disease, and it is also the fifth leading cause of death for people over 65 years old in the U.S. A new study suggests it may stem from the brain’s past attempts to fight off infections. Rob Moir, one of the study’s authors, joins Lisa Desjardins to discuss.