Calorie diet : Heavy weights tend to look to diets to work to reduce their weight so that they can exercise their normal lives, some of whom have begun to weigh their health, the nature of their life, in appearance and outward appearance, until they become the only food diets. It depends on reducing the number of calories a person consumes from his food, burning them with certain activities to help lose weight, and before going into the subject of calorie restriction, we first have to make the reader aware of the calorie Heat And of how to acquire and burn them and their importance and everything about them. Calories concept : Calorie, or so-called "calorie" means the unit of measurement of thermal energy in the human body, which is the amount of energy needed by the human body to carry out its daily activities normally, by burning the body's energy from the food consumed by humans and thus supply the body by force And ability to move, food and ox...