Chronic obstructive pulmonary disease (COPD), which includes chronic bronchitis and emphysema, is a chronic lung disease that makes it hard to breathe. The disease is increasingly common, affecting millions of Americans, and is the third leading cause of death in the U.S. The good news is COPD is often preventable and treatable.  Here you'll find information, resources and tools to help you understand COPD, manage treatment and lifestyle changes, find support and take action.

Learn about COPD

What is COPD and is it serious? See what it means to have this disease.

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COPD Symptoms, Causes and Risk Factors

Learn what causes COPD, how to identify its signs and symptoms, and how to reduce your risk.

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Diagnosing and Treating COPD

Find out what to expect from your doctor and how COPD is treated.

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Living with COPD

It is inevitable that your life will change after being diagnosed with COPD. The good news is that you can find support to help you make lifestyle changes, better manage your COPD and enhance your quality of life.

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Help Us Fight COPD

Please join us in fighting for much needed funding for COPD research, public policies and community programs that can help prevent COPD and make living with COPD easier.

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Ask An Expert

Questions about your lung health? Need help finding healthcare? Call 1-800-LUNGUSA.

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