Dr. Rosedale has designed a diet to regulate the powerful hormone leptin, which controls appetite and weight loss by telling the brain when to eat, how much to eat and when to stop. Explains how to select ?healthy fat? foods for a 21-day diet plan. Includes a 28-day menu plan and more than 100 recipes. 2004. 5 1/4″ x 8?. 324 pp.