More than two-thirds of American adults, 40 or older, say they worry about their brain health and about developing Alzheimer’s disease or another form of dementia. That’s according to a 20-26 survey from the Alzheimer’s Association. For the latest in their series on “Healthy Aging,” Bill Goodman and Dr. Jeff Foxx talk about the latest developments in Alzheimer's research with Dr. Gregory Jicah with the University of Kentucky Alzheimer's Disease Research Center.