What is Chronic Obstructive Pulmonary Disease
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Chronic Obstructive Pulmonary Disease Definition
Chronic obstructive pulmonary disease (COPD) makes it difficult to push air out of the lungs. The oxygen-poor air will build up. If the lungs are filled with this air, there is no room for fresh, oxygen-rich air. COPD includes:
- Emphysema-air sacs of lungs are damaged
- Chronic Bronchitis-disorder of the large airways of lungs
The changes to lung tissue differ with the two diseases. However, the causes and treatment are similar.

© 2008 Nucleus Medical Media, Inc.
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