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Chronic obstructive pulmonary disease, commonly known as COPD, is a long-term lung condition that makes breathing difficult and often progressively worsens over time. It includes chronic bronchitis and emphysema and is typically associated with smoking, long-term exposure to air pollution, occupational irritants, or genetic factors such as alpha-1 antitrypsin deficiency. People living with COPD may experience shortness of breath, chronic cough, mucus production, wheezing, chest tightness, fatigu...
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