As a parent, you probably have questions about childhood asthma. First, what is asthma? In this video, Dr. Katherine Rivera, Pulmonologist, explains what asthma is and goes over how a doctor will arrive at a diagnosis for asthma. Also, find out what factors, including environmental triggers, can cause asthma or an asthma attack. Finally, learn some of the signs that your child might have asthma, and what you should do to seek asthma treatment for your child.