In the second of this three-part series, Jacques Peretti charts the story of the fitness industry and examines the links between exercise and weight loss. He speaks to the former Global Head of Health at PepsiCo and asks why the food industry puts so much money into promoting exercise. Peretti also examines some of the pharmaceutical solutions available for weight-loss as he tells the story of the race to find a safe and effective pill to make us thin. Show less