Nearly six million Americans are living with Alzheimer's disease.

In this edition of Reading Baseball, Pete Peterson tells us about a new program where baseball helps those dealing with this type of dementia that causes problems with memory, thinking and behavior.

Reading Baseball is a series of essays and commentaries by Richard "Pete" Peterson, co-author, with his son Stephen, of The Slide: Leyland, Bonds and the Star-Crossed Pittsburgh Pirates and the editor of The St. Louis Baseball Reader.