To what age does a boy's height increase?

Most people usually stop growing after a certain age. The age most women usually stop growing is 21 while for men it is 25. That is it occurs shortly after puberty. However, these calculations are not unchangeable. For women until 25 and for men until 27 to 30 it is possible to continue growing through certain physical activities, exercises, right diet, and other things which are important for human body's growth. These activities make growing taller possible even for those people whose heights have stopped growing ago.