Arthur Agatston, MD, is a preventive cardiologist and associate professor of medicine at the University of Miami Miller School of Medicine. He has authored numerous scientific articles and is frequently quoted in the media as an expert on diet and heart disease prevention. Joseph Signorile, PhD, is a professor of exercise physiology and assistant director of the Laboratory of Clinical and Applied Physiology at the University of Miami. He is widely published and lectures frequently on the subjects of exercise training, muscle physiology, and metabolism.