Every month seems to bring a trendy new diet or weight loss fad and yet obesity rates continue to rise, and with it a growing number of diseases and health problems. It's time for a different approach. Author of the mega bestselling How Not to Die, Dr. Greger now turns his attention to the latest research on the leading causes and remedies of obesity. Dr. Greger hones in on the optimal criteria to enable weight loss, while considering how these foods actually affect our health and longevity. He lays out the key ingredients of the ideal weight-loss diet factors such as calorie density, the insulin index, and the impact of foods on our gut microbiome showing how plant-based eating is crucial to our success.