The restriction is put on the self for the development fat and gaining body weight. The restrictions are because of the increasing body weight and also the different cases where we see that there are several factors which seem to be unhealthy in terms of the age and sex, height etc. BMI is usually calculated on the basis of height and also there are several factors which seem to be depending on the factors such as the culture and also the mass media culture followed by the then generation (Geisler, et al, 2016).