Committee to Develop Criteria for Evaluating the Outcomes of Approaches to Prevent and Treat Obesity Food and Nutrition Board, Institute of Medicine, National Academy of SciencesThe Committee to Develop Criteria for Evaluating the Outcomes of Approaches to Prevent and Treat Obesity consists of the following members: Judith S. Stern (Chair), ScD, RD, Departments of Nutrition and Internal Medicine, University of California, Davis; Jules Hirsch (Vice Chair), MD, Rockefeller University, New York, NY; Steven N. Blair, PED, Cooper Institute for Aerobics Research, Dallas, Tex; John P. Foreyt, PhD, Nutrition Research Clinic, Baylor College of Medicine, Houston, Tex; Arthur Frank, MD, Obesity Management Program, George Washington University, Washington, DC; Shiriki K. Kumanyika, PhD, MPH, RD, College of Medicine, Pennsylvania State University, Hershey; Jennifer H. Madans, PhD, Division of Epidemiology, National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, Md; G. Alan Marlatt, PhD, Addictive Behaviors Research Center, University of Washington, Seattle; Sachiko T. St Jeor, PhD, RD, Nutrition Education and Research Program, University of Nevada School of Medicine, Reno; Albert J. Stunkard, MD, Department of Psychiatry, University of Pennsylvania, Philadelphia; and National Academy of Sciences staff members Paul R. Thomas, EdD, RD, project director and editor, Sheila A. Moats, BS, research associate, and Susan M. Knasiak, BA, program assistant