1. From the Wellness Institute of the Cleveland Clinic (A.B.), Lyndhurst, OH; and the Departments of Nutrition (A.B., A.P., F.H., M.S., D.M., W.W.) and Epidemiology (F.H., M.S., D.M., W.W.), Harvard School of Public Health, the Channing Laboratory (M.S., D.M., W.W.), and the Divisions of Cardiovascular Medicine (D.M.) and Preventive Medicine (K.R., M.S.), Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA.