A health journalist shows how specific high-energy foods can provide lasting vigor, help fight fatigue, and increase vitality and immunity levels when combined with regular exercise. Marshall profiles 25 foods, detailing their nutritional value and recommending how and when each should be eaten for maximum benefit. Quick and healthful recipes aid readers in incorporating the information into their lives, along with tips on how our bodies use each food and the best ways to maintain energy. Full color throughout. September.