分类： 营养学

Nutrition is the science of how food and nutrients affect the health and well-being of living organisms. Nutrition involves studying the components of food, such as carbohydrates, proteins, fats, vitamins, minerals, and water, and how they are digested, absorbed, transported, metabolized, and utilized by the body. Nutrition also examines the effects of food intake on growth, development, maintenance, and prevention of diseases. Nutrition is essential for optimal health and quality of life.