1. From the National Heart, Lung, and Blood Institute’s Framingham Heart Study (M.H.F., M.G.L., D.L., E.J.B., T.J.W., E.P.L., P.W.F.W., R.S.V.), Framingham, Mass; The MetroWest Medical Center (M.H.F.), Framingham, Mass; the Divisions of Cardiology and Clinical Epidemiology, Beth Israel Deaconess Medical Center, Harvard Medical School (D.L.), Boston, Mass; the National Heart, Lung, and Blood Institute (D.L.), Bethesda, Md; and the Cardiology Section (E.J.B., R.S.V.), Endocrinology Section (P.W.F.W.),...