1. From the Departments of Nutrition (S.E.C., E.B.R.), Epidemiology (D.S., G.L., J.E.M., E.B.R.), and Biostatistics (D.S.), Harvard School of Public Health, and Division of Preventive Medicine (K.M.R., J.E.M.) and Channing Laboratory (J.E.M., E.B.R.), Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Mass.