Here are some reasons why you should stay away from traditional calorie restrictive diets: 1. Calories restrictive diets make you lose muscle. Since your body is in starvation mode, it will draw it’s energy from other sources such as muscle. 2. Calorie restrictive diets increases the chance that you will gain the weight back. Studies have shown time and time again that almost everyone who goes on a calorie restrictive diet gains the weight back. 3. Calorie restrictive diets slow down your metabolism. 3. Studies have shown that when calories are restricted, your metabolism decreases by 20% to 30%. This is the bodies response to the lack of food being consumed. By decreasing the amount of calories you consume, the body will adjust the amount work it does. When you eat less, the body burns less calories. 4. Calorie restrictive diets increase cravings and appetite. The less you eat the more your body will crave food. 5. Calorie restrictive diets decreases your energy. The body needs a certain amount of calories to use as energy.