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What is Asthma and How Is it Diagnosed and Treated?

Asthma causes swelling and narrowing of the airways that carry air from the nose and mouth to the lungs. Asthma symptoms can include wheezing, tight chest and shortness of breath. With good medical care, the right asthma medications and proper monitoring, you can keep asthma under control.

National Jewish Health asthma expert, Brian Modena, MD, explains how this chronic disease is diagnosed and treated.

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