What is COPD - Chronic Obstructive Pulmonary Disease?

COPD, or chronic obstructive pulmonary disease, is an inflammatory lung disease. It constricts the airways and makes it hard to breathe. COPD is an overarching term that applies to two different lung conditions, emphysema, and chronic bronchitis.

Emphysema is an ailment in which the air sacs of the lungs, as well as the walls between them, become damaged and less flexible. This damage causes small airways in the lungs to collapse and trap air, inhibiting the air's ability to be pushed out on an exhale.

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