CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD)
WHAT IS COPD? Chronic obstructive pulmonary disease, or COPD, refers to a group of diseases, including emphysema and chronic bronchitis, that cause airway obstruction and other breathing-related problems. Chronic respiratory diseases comprise the third leading cause of death in the U.S. While more than 16 million Americans have COPD, millions more are not being treated …
