1. Department of Psychiatry, Harvard Medical School, Geriatrie Inpatient Service and Affective Disorders Program, McLean Hospital, Belmont, MA (I.R.B., J.S.E., D. W.M., M.G., J.O.C.), Nutrition Evaluation Laboratory, USDA Human Nutrition Research Center on Aging at Tufts University, Boston (F.D.M., G.P.), School of Public Health, Boston University School of Medicine, Boston (H.L.K.)