Puberty can be a confusing time, but learning about it doesn't have to be. using that extra blood and tissue to keep it healthy and protected as it's developing.
Pimples are common for most teens. Acne is caused by glands in the skin that produce a natural oil called sebum. Puberty hormones make the glands produce .
Delayed puberty is when a teen goes through body changes later than the usual age range. For girls, it can mean no breast development by age 13 or no.