Asthma causes swelling and narrowing of the airways in your lungs. Here's what you need to know about how asthma affects your lungs, and what do to when you have asthma flare-ups.
Asthma is a lung disease that makes it hard to breathe. This program explores the importance of patients understanding what asthma is, how their asthma is triggered and how it can be treated and controlled to maintain a healthy lifestyle.