Chronic obstructive pulmonary disease (COPD) is a progressive lung disease that makes it difficult to breathe. The term COPD comprises several diseases the two most prevalent being emphysema and chronic bronchitis. Most people diagnosed with COPD have a combination of both. One of the most common symptoms of COPD is a chronic cough and excess mucus production. This chronic cough can lead to tightness of the chest, wheezing, and shortness of breath.
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Topics: COPD, COPD Treatment, stem cell
