1. From the Framingham Heart Study, Framingham, Mass (T.J.W., M.J.P., E.I., K.L., E.J.B., R.B.D., R.S.V.); Cardiology Division (T.J.W.) and Renal Division (M.W.), Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass; Statistics and Consulting Unit, Department of Mathematics (M.J.P., R.B.D.), Boston University, Boston, Mass; Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging (S.L.B., P.F.J.), Tufts University, Boston, Mass; and...