What is Asthma? - The Children's Hospital of Philadelphia (2 of 4)

Learn more at www.chop.edu/service/asthma-program/home.html
Understanding asthma and how it affects your child is the first step in managing the disease. Asthma experts at The Children's Hospital of Philadelphia explain what asthma is and tell you how to recognize asthma symptoms and the signs of an asthma attack.