For decades, researchers have chased a pharmaceutical cure for memory loss to no avail. But research released last year suggests that dementia rates have actually declined in the United States over the last decade. Reset talks with the co-authors of American Dementia: Brain Health in an Unhealthy Society. GUEST: Dr. Daniel R. George, medical anthropologist and associate professor at Penn State College of Medicine Dr. Peter J. Whitehouse, professor of neurology at Case Western Reserve University and professor of medicine at the University of Toronto