What Is COPD?

Chronic obstructive pulmonary disease (COPD) includes two lung conditions—chronic bronchitis and emphysema. More than 12 million people in the United States have COPD, but millions more have COPD without knowing it.

Featured Stories

13 Worst Jobs for Your Lungs

If you work in these 13 fields, your lungs may be at risk.
Read More

How Is COPD Diagnosed?

If you're being evaluated for COPD, you can expect to receive x-rays, CT scans, and lung function tests.
Read More

10 U.S. Cities With the Worst Air Pollution

The good news: Air has gotten cleaner in recent years. Now the bad: More than half of people in the U.S. still breathe air dirty enough to cause health problems, according to the American Lung Association.
Read More

More on COPD


What Is COPD?

Find out more about this serious, long-term illness