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Added: Aug 10, 2008
Dr James Kiley, PhD, Director of Lung Diseases at the National Heart and Lung Institute, discusses COPD, chronic obstructive pulmonary disease. The most common symptom of COPD is shortness of breath, or breathlessness, coughing, excess mucous production, fatigue, and wheezing and it is very commonly caused by longterm smoking. Prolonged exposure to toxic exposure can also cause COPD.
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