The sum of the attitudes, beliefs, customs, and taboos affecting the dietthe kinds of food a person, animal, or community habitually eats; a regiment of eating may be designed for special medical or health benefits and may be called a "diet" of a given group. It is what people think of as foodany nutritious substance that people or animals eat or drink, or that plants absorb, in order to maintain life and growth and what effect it has on their health.
