Another major contributing factor of obesity is lack of exercise. Caloric balance is one of the most important factor that relates to obesity. According to the CDCP being overweight and obese result from an energy imbalance caused by eating too many calories and not getting enough exercise. Calcoric balance and body weight are generally maintained by balancing calories consumed againt calories used by normal bodily functions and exercise. Thus, by consuming many calories as expended and vice-versa, a person's weight will remain stable. Obesity results if the food intake exceeds physical activity and an abnormally large amount of energy is stored within the body