Asthma is a chronic lung disease. Learn about its symptoms and how it's diagnosed and treated at Children's Hospital of Philadelphia.

Simple ways to help your sick baby or toddler.

Get answers to common sleep questions for everyone from newborns to big kids.

It’s common for children to snore when they have a cold, but frequent snoring in young children and toddlers is not normal. CHOP experts explain the signs to look for to tell the difference.