Approximately one in two people in the USA, Australia, and the UK are overweight. Knowledge of nutrition is integral to making healthy food choices. Examines three diet-related disorders, looking in detail at the characteristics: causes, treatment, and strategies for prevention. Discusses obesity, Type 2 diabetes, and coeliac disease and explains their relationship with our diet. Also, explores recent developments in food aimed at enhancing health, the impact of food consumption on nutrition, and ways of meeting food requirements to maintain optimum health and well-being.