Anyone whether a boy or a girl can make your body look taller but this can be possible during before you reached puberty. Lack of growth is mainly cause by the unbalanced level of growth hormones and diet.daily exersises,Let me give you a brief idea about how we grow taller. We have more bones in our childhood then adulthood, so by proper exercise and regular diet having rice protein, calcium, calories etc. In our bone there is a flexible substances known as cartilage which made our bone increase gradually in the age of childhood.