About COPD

Expert Point of View: COPD and smoking Click here Chronic obstructive pulmonary disease (COPD) is a serious lung disease that makes it harder and harder for you to breathe. COPD includes chronic bronchitis, emphysema, or both. The leading cause is cigarette smoke.

It is estimated that 24 million people in the U.S. have evidence of impaired lung function, and nearly 13 million have been diagnosed with COPD. This makes COPD an under-diagnosed and under-treated disease. COPD is the 4th leading cause of death, and the 2nd leading cause of disability.

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COPD is a serious lung disease. If not managed, it slowly gets worse, until you are unable to do the things you enjoy.

In this section, you'll learn about:

  • The signs and symptoms of COPD
  • How COPD progresses

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