(Student of IAS)
Diet denotes the group of all edible substances essential for growth and maintenance of the body. The important components of diet are proteins, fats, carbohydrates, vitamins, salts and water.Dietary needs vary from person to person and age to age. The diseases which are caused by deficient diet are known as deficiency diseases. Balanced diet or mixed diet provide s al l the essential constituents necessary for growth and maintenance of the bod y. It must contain all the essential constituents inadequate amount. The ratio between proteins, fats and carbohydrates should be 1 :1: 4. The food should be easily digestible and given according to age. Cooking of food is essential because it sterilises food stuffs, makes them palatable and easily digestible.