Chronic Obstructive Pulmonary Disease (COPD) includes two long-term diseases which cause people to have trouble breathing. These diseases are chronic bronchitis and emphysema.
Chronic Obstructive Pulmonary Disorder (COPD)
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Chronic Obstructive Pulmonary Disease (COPD) includes two long-term diseases which cause people to have trouble breathing. These diseases are chronic bronchitis and emphysema.
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