A healthy lifestyle should be rationally organized, active, hard-working, and hardening. It should protect against adverse environmental influences, allow one to maintain moral, mental and physical health until old age; proper nutrition allows the body to realize its maximum potential. Proper nutrition allows the body to reach its maximum potential. Carbohydrates, fats and proteins provide the body with energy. Physical exercise helps people maintain youth, delay old age, improve their appearance, lose excess weight, increase vitality and improve well-being. Physical culture, regimen, and daily routine are a powerful accumulator of vitality, bringing vigor and cheerfulness, pride in one motor skills and capabilities.