Melissa Diane Smith, Jack Challem and
Jack Challem, a leading American health writer, is editor of The Nutrition Reporter newsletter lead author of Syndrome X, and author of The Inflammation Syndrome and Feed Your Genes Right. His scientific articles have appeared in Medical Hypotheses, Free Radical Biology and Medicine, and the Journal of the National Cancer Institute. Melissa Diane Smith is a Tucson, Arizona-based nutritionist, health educator, and author. Her other books include Going Against the Grain, Syndrome X: The Complete Nutritional Program to Prevent and Reverse Insulin Resistance, User's Guide to Chromium, and User's Guide to Vitamin E.