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 …

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

Puberty is the time when kids grow into young adults through physical and emotional changes. This doesn’t happen all at once, but slowly over time. It's good to know about the changes that …

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 …

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 …

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

You see it in movies all the time. Some guy gets hit right in the privates. Yow! If you're a boy, you probably already know your penis and scrotum are sensitive. Why? And more important, what …

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 …

Body mass index (BMI) is a calculation that uses height and weight to estimate how much body fat someone has. You can use the KidsHealth BMI calculator below to find your child's BMI. …

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 …