What is the reason why children don't grow tall?

Children show not long, the first case may be related to congenital genetics, if the parents are not tall, may cause the baby will also show a tall situation. The second case may also be that the baby after birth due to partial eclipse or gastrointestinal function digestion is not good, will also show poor nutrient absorption, tall. The third case, if the baby lacks activity after birth, it will also cause slow basal metabolism, so it is not conducive to height. Therefore, after the baby is born, it is necessary to increase the nutrient supply, exercise, enhance the physique, and also facilitate the absorption of nutrients for the child, so that the height and weight increase.