Celebrity health coach and functional medicine specialist Vijay Thakkar offers his patented four-step weight loss formula in this seminal work on health and fitness. In order to refute myths about nutrition, calorie-deficient diets, metabolism, and how hunger and fullness function, he draws on years of research as well as his own experience. Vijay traces the causes of diabetes and heart disease, two ailments that are becoming more common among the young and physically fit. He backs up his claims with facts and data. He demystifies the science behind low-carb diets and intermittent fasting, explains how stress, exercise, and the quality of food affect hormones, and provides sustainable strategies for maintaining a healthy weight and long-term wellness. This ground-breaking guide offers practical living advice, healthful recipes, and answers to frequently asked food and fitness questions.