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Chronic obstructive pulmonary disease (COPD), a disease state characterized by the progressive and irreversible destruction of the alveoli of the lungs. There are three major varieties that are in the common tongue: chronic bronchitis, chronic asthma and emphysema. It is most commonly the result of tobacco smoke exposure, although asbestos exposure can also cause it.

External linksEdit

  1. Better Health Channel entry
  2. MedlinePlus entry