More than 16 million Americans live with COPD, but it can be managed. Chronic obstructive pulmonary disease, or COPD, is the third leading cause of death by disease in the United States, with more than 16 million people living with a diagnosis — and millions more who have not yet been diagnosed. With COPD, the airways in your lungs are blocked (or “obstructed”), making it difficult to breathe, worsening with exertion. There is no cure for COPD, but it can be managed and treated. Through medications, oxy...