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COPD is a progressive lung disease that makes it hard to breathe. It includes chronic bronchitis and emphysema, often caused by long-term exposure to irritants like cigarette smoke. Symptoms include chronic cough, shortness of breath, and wheezing.
COPD is a progressive lung disease that makes it hard to breathe. It includes chronic bronchitis and emphysema, often caused by long-term exposure to irritants like cigarette smoke. Symptoms include chronic cough, shortness of breath, and wheezing.
