The AMERICAN MEDICAL ASSOCIATION is the leading professional association of physicians in the United States and has been one of the most respected health-related organizations in the world for more than 150 years. MARTIN S. LIPSKY, MD, a family physician, is regional Dean at the University of Illinois College of Medicine at Rockford, MARLA MENDELSON, MD, a cardiologist, is Assistant Professor of Medicine and Pediatrics at the Northwestern Feinberg School of Medicine in Chicago. STEPHEN HAVAS, MD, MPH, is Vice President of Science, Quality, Public Health, and Medical Education at the American Medical Association. MICHAEL MILLER, MD, is Associate Professor of Medicine and Director, Center for Preventive Cardiology, University of Maryland School of Medicine.