1. From the Environmental Health Sciences, (J.T.D., G.J.K.), Departments of Health Behavior and Health Education (A.J.S., G.M.), Epidemiology (J.H.), and Internal Medicine (R.L.B., R.D.B.), University of Michigan, Ann Arbor; Department of Nutrition (S.K.), University of Massachusetts, Amherst; Southwest Detroit Environmental Vision (A.B.), Detroit, Mich; and the Detroit Department of Health and Wellness Promotion (P.M.), Mich.