1. From the Framingham Heart Study (M.C.F., S.-J.H., C.S.F.), Framingham, MA; Division of Intramural Research and the Center for Population Studies (M.C.F., S.-J.H., C.S.F.), National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD; Department of Epidemiology (M.C.F.), Harvard School of Public Health, Boston, MA; Division of Endocrinology and Metabolism, Brigham and Women's Hospital (C.S.F.), Harvard Medical School (S.A.P.), Boston, MA; Department of Biostatistics (J.M.M.)...