This timely, well-organized, and practical guide for the war fighter offers the collaborative contributions of dedicated military and civilian experts. Each chapter examines specific demands of military life and service, such as nutrition and its role in physical and cognitive performance, including details about military rations like Meals Ready to Eat (MREs). It also explores sleep: why you need it, how much you need, what happens when you are deprived of it, and how to recognize deprivation's effects. The authors also discuss various aspects of stress: what it is, what its effects are on...