[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
Parents
Carousel
rewind
forward
slide 1
slide 2
slide 3
slide 4
slide 5
Growth & Development
Learn more ►
about Growth & Development
Flu Center
Find out more ►
about Flu Center
Your Child's Checkups
Find out more ►
about Your Child's Checkups
KidsHealth Daily Q and A
What Is Epigenetics?
Get the answer ►
