Bestselling author, columnist, and physician Mark Hyman, M.D., brings us a science-based, easy-to-follow diet and nutritional plan in UltraMetabolism: The Simple Plan for Automatic Weight Loss. For many, losing weight is a never-ending struggle, especially since our bodies are designed to keep weight on at all costs; it's a matter of survival. But a medical revolution is under way, showing us how to work with our bodies...