What Is ?

Asthma

Asthma (AZ-ma) is a chronic (long-term) lung disease that inflames and narrows the airways

Asthma causes recurring periods of wheezing (a whistling sound when you breathe), chest tightness, shortness of breath, and coughing. The coughing often occurs at night or early in the morning.

Asthma affects people of all ages, but it most often starts during childhood. In the United States, more than 25 million people are known to have asthma. About 7 million of these people are children.

Read the full story at: National Institutes of Health

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