1. From the Department of Medicine (L.P.S., W.S.Y., R.J.D., B.C.B., G.S., D.B.M., P.-H.L.), Duke Hypertension Center (L.P.S., B.C.B., P.-H.L.), Sarah W. Stedman Nutrition and Metabolism Center (L.P.S., P.-H.L.), Department of Community and Family Medicine (K.I.P.), Cancer Prevention, Detection, and Control Research Program (K.I.P., D.B.M.), Center for Health Policy Research (G.S.), and Department of Biostatistics and Bioinformatics (G.S.), Duke University Medical Center, Durham, N.C.; Program in Health...