Expert Videos

Expert Video: What is COPD and what causes it?

Expert pulmonologists describe chronic obstructive pulmonary disease (COPD) and its causes. COPD is a chronic condition in the lungs characterized by inflammation and severe limitation of air flow in and out of the lungs. Cigarette smoking is the leading cause of COPD. Other factors can also contribute to COPD such as long-term exposure to second-hand smoke or irritants such as air pollution, dust or workplace fumes.


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