Introduction The Nutrients Digestion and Absorption of Nutrients The Most Important Nutrient: Water Macronutrients: The Energy Nutrients Carbohydrate Metabolism and Exercise Lipid Metabolism and Exercise Protein Metabolism and Exercise Micronutrients: The Catalysts Vitamin Metabolism and Exercise Mineral Metabolism and Exercise Ergogenic Aids and Exercise Energy Requirements Assessment of Energy Intake Assessment of Energy Expenditure Weight Control Body Composition Assessment of Body Composition Overweight and Obesity Underweight and Eating Disorders Conditioning Nutritional Status of Athletes Dietary and Exercise Recommendations for the Healthy Athlete Nutrition and Exercise Guidelines Recommendations for Individuals in the Various Stages of Their Lifespans Exercise as Therapy for Degenerative Diseases Summary: Interrelationships between Nutrition and Exercisercise as Therapy for Degenerative Diseases Summary: Interrelationships between Nutrition and Exercise.