The height of an individual starts to increase exponentially during the growth spurt that accompanies the teenage years. The secondary sexual characters too start appearing and the boy becomes a man and the girl becomes a lady. The transition lasts for a few years, the period popularly described as adolescence.In majority of cases, the girls mature earlier as compared to boys.
The age of menarche — the first period in girls is from 10-14 years. In boys, maturation process starts usually by 13-17 years. The transient stage usually lasts for three-four years. Height is determined by numerous other factors like genetics, nutritional status, chronic diseases, hormonal disturbances, tumours etc. Natural ways like swimming, skipping, cycling, and a healthy balanced diet help in gaining height.