Puberty usually starts between ages 9 and 15 in boys and 8 and 13 in girls. Timing varies widely, so friends may develop sooner. In boys, puberty begins when testosterone rises. One of the first signs ...

The goals of androgen therapy for adolescents are to promote linear growth and secondary sexual characteristics, and at the same time permit the normal accrual of muscle mass and bone mineral content.

Find your added subjects in My Bitesize. We all love coming up with ideas, but if we do not carefully consider our approach to the development of the solution, what we manufacture may not meet the ...

Girls typically stop growing a few years after their first period. Some health factors, like growth hormone issues or nutritional deficiencies, may cause growth delays. Girls usually grow at a quick ...