1. From the National Heart, Lung, and Blood Institute Framingham Heart Study (C.S.F., C.J.O., J.M. Murabito), Bethesda, Md, and Framingham, Mass; Departments of Cardiac MR PET CT (C.L.S., S.J.L, U.H.) and General Internal Medicine (J.M. Murabito), Massachusetts General Hospital and Harvard Medical School, Boston Mass; Department of Cardiology (S.J.L.), Flinders University, Adelaide, Australia; Department of Mathematics (J.M. Massaro), Boston University, Boston, Mass; Division of Endocrinology (C.S.F.),...