Researchers See Decline in Dementia, Offering Optimism
Clip: 07/17/2013 | 6m 54s
Two European studies show a significant decline in dementia and severe memory loss among healthier and better educated populations. Can successive generations continue to encourage this downward trend? Gwen Ifill talks to Dr. Murali Doraiswamy, a practicing physician and professor at Duke University School of Medicine.
Aired: 07/17/13
