Shocking obesity rates, the rise of eating disorders, killer food allergies, super foods that cure cancer: as the headlines shout every week, we have never been more engaged, or struggled so hard, with what we put in our mouths. Separating fact from fiction, award-winning health journalist and nutritionist Dr Sarah Brewer combines the latest science with practical advice on what really matters to explain exactly how food influences our health and well-being. From the mechanics of digestion and the chemical composition of macro and micronutrients to methods of healthy weight loss and aiding medical conditions with various foods, all the key issues and debates are covered making this essential reading for medics and trainee nutritionists as well as anyone interested in making informed decisions about their diet.