[Skip to Content]
Open search
for Parents
Parents site
Sitio para padres
General Health
Growth & Development
Infections
Diseases & Conditions
Pregnancy & Baby
Nutrition & Fitness
Emotions & Behavior
School & Family Life
First Aid & Safety
Doctors & Hospitals
Videos
Recipes
Close for parents nav
for Kids
Kids site
Sitio para niños
How the Body Works
Puberty & Growing Up
Staying Healthy
Staying Safe
Recipes & Cooking
Health Problems
Illnesses & Injuries
Relax & Unwind
People, Places & Things That Help
Feelings
Expert Answers Q&A
Movies & More
Close for kids nav
for Teens
Teens site
Sitio para adolescentes
Body
Mind
Sexual Health
Food & Fitness
Diseases & Conditions
Infections
Drugs & Alcohol
School & Jobs
Sports
Expert Answers (Q&A)
Staying Safe
Videos
Close for teens nav
For Educators
Open search
Search KidsHealth library
English
español
Kids
What's Hot!
Lungs and Respiratory SystemGo
In The Spotlight
Girls and PubertyGo
The Daily Brain Buzz
When you sneeze, how fast do particles fly out of your mouth and nose?
Get The Answer
Big Questions
Why Do I Need to Wash My Hands?Go