What Is COPD? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Chronic obstructive pulmonary disease, or COPD, is an umbrella term for lung conditions that block air flow and cause difficulty breathing. There are two main types of COPD: emphysema and chronic bronchitis. According to the National Heart, Lung and Blood Institute (NHBLI), most people suffer from COPD. (1) “Think of COPD as a spectrum of …

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