The book of Exercise and sport in diabetes by editor, Dinesh Nagi is about the wealth of practical advice and the physiological responses during exercise in patients with type 1 diabetes and discusses suitable nutritional strategies for these people. The new chapter being added which address the role of physical activity in the prevention and management of type 2 diabetes, as well as how to combine insulin pump therapy and exercise. In addition, the other chapters cover the role of diabetes team in promoting exercise, encouraging patients to become and stay physically. Moreover, this book will prove helpful to all members of the diabetes specialist team: clinicians, Diabetes Specialist Nurse, psychologist, GPs, sports scientists and patients. As we know, exercise is very essential which challenge to human physiology in general and to muscle metabolism in particular. For instance, the aim of the chapter 1is to present an overviewof the physiological responses to exercise which support muscle metabolism. In addition, the physical activity level of the people needs to change and that can be achieved only by targeting the younger first at the school. There is good evidence that people who are active when young stay active later in life as adults.