1. From the Department of Medicine, Obesity Research Center, St Luke’s–Roosevelt Hospital, New York, NY (DG, SH, JA, and SH); the Institute of Human Nutrition, Columbia University, New York, NY (DG); the Laboratory of Epidemiology, Demography and Biometry, Geriatric Epidemiology Section, National Institute of Aging, Bethesda, MD (PK and TBH); the Department of Medicine, University of Pittsburgh, Pit