Discover the basic principles of optimal nutrition, study the role of carbohydrates, proteins and fats in the body, their impact on metabolism and health. Learn the importance of vitamins and minerals and the need to consume them to maintain healthy body function. Important attention is paid to nutritional recommendations in different life periods - children, adolescents, adults and the elderly. You'll learn how good nutrition can promote growth and development in children, keep teenagers energetic and active, provide essential nutrients for adults, and help older adults maintain health and longevity. The administration of the Litres website is not responsible for the information provided. There may be medical contraindications; consultation with a specialist is required.