What is Chronic Obstructive Pulmonary Disease
- What It Is
- Risk Factors
- Living With
- User Questions
- Alternative Treatment
- Care Guide
- Questions for Your Doctor
- When to Contact a Doctor
- Find a Doctor
- Resource Guide
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:
The changes to lung tissue differ with the two diseases. However, the causes and treatment are similar.
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