Health A-Z: COPD

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Chronic obstructive pulmonary disease (COPD) refers to a group of disorders that damage the lungs. These disorders make breathing increasingly difficult over time. The most common forms of COPD are chronic bronchitis and emphysema. Both are chronic illnesses that impair airflow in the lungs. Most cases of COPD are related to cigarette smoking.

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    The Patient Education Center provides multimedia access to reliable and relevant medical information at and beyond the point of care. Our content is developed exclusively by Harvard Health Publications, the media and publishing division of the Harvard Medical School of Harvard University, and distributed by Health Media Network.