Kenneth F. Ferraro, PhD, is Professor of Sociology and Director of the Center for Aging and the Life Course at Purdue University. His work has been supported by grants from the AARP Andrus Foundation, the National Institute on Aging, and the National Center for Minority Health and Health Disparities. Dr. Ferraro has published over 90 articles and chapters in professional journals and books. He has served on several study sections for the National Institutes of Health and on the editorial boards of the "American Sociological Review" and "Journal of Health and Social Behavior, "and served as Edi...