- Parents Home
- Para Padres
- A to Z Dictionary
- Allergy Center
- Asthma
- Cancer
- Diabetes
- Diseases & Conditions
- Doctors & Hospitals
- Emotions & Behavior
- First Aid & Safety
- Flu (Influenza)
- Food Allergies
- General Health
- Growth & Development
- Heart Health & Conditions
- Homework Help Center
- Infections
- Newborn Care
- Nutrition & Fitness
- Play & Learn
- Pregnancy Center
- Preventing Premature Birth
- Q&A
- School & Family Life
- Sports Medicine
- Teens Home
- Para Adolescentes
- Asthma
- Be Your Best Self
- Body & Skin Care
- Cancer
- Diabetes
- Diseases & Conditions
- Drugs & Alcohol
- Flu (Influenza)
- Food & Fitness
- Homework Help
- Infections
- Managing Your Weight
- Medical Care 101
- Mental Health
- Nutrition & Fitness
- Q&A
- Safety & First Aid
- School, Jobs, & Friends
- Sexual Health
- Sports Medicine
- Stress & Coping
kids
What is Asthma? (Video)
You probably know that asthma is an illness that causes breathing problems. But what happens in the lungs when someone has asthma? Watch this video to find out.
Asthma
Learn more about asthma.