- Chronic obstructive pulmonary disease (COPD)
- Emphysema and chronic bronchitis are the two main conditions that make up COPD, but COPD can also refer to damage caused by chronic asthmatic bronchitis. In all cases, damage to your airways eventually interferes with the exchange of oxygen and carbon dioxide in your lungs.
Posted from Diigo. The rest of my favorite links are here.
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