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.
Anyone who is diagnosed with asthma must learn to recognize the symptoms of an asthma flare-up and learn to pinpoint the triggers that can lead to an asthma episode. Knowing both, along with medication and a personal action plan are key to being active and healthy with asthma.