This site offers support and advice on health, emotions, and life — created for people 13–18 and approved by doctors.

Puberty (say: PYOO-ber-tee) is the name for the time when your body begins to develop and change as you move from kid to adult. We're talking about stuff like girls developing breasts …

A period is when blood comes out through a girl's vagina. It is a sign that she is getting close to the end of puberty. Puberty is when your body goes from looking like a kid's into looking more …

As kids grow from grade-schoolers to preteens, there continues to be a wide range of "normal" regarding height, weight, and shape. Kids tend to get taller at a pretty steady pace, growing …

KidsHealth is the #1 most-trusted source for physician-reviewed information and advice on children's health and parenting issues. For parents, kids, teens, and educators, in English and …

The human body is an amazing machine. Learn more about it through movies, quizzes, articles, and more.

A lot of changes happen as you grow up, especially as you reach puberty (say: PYOO-bur-tee). This is the time when your body begins to develop and change. During puberty, t here isn't just …

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is …

As a child care provider, you play an important role in children's lives, especially when it comes to food and fitness. To make things easier on you, KidsHealth and Sesame Workshop present …

Puberty is the time when kids mature into young adults through physical and emotional changes. This doesn’t happen all at once, but slowly over time. Parents often wonder how to help their …