Causes of COPD
COPD is often the result of long-term exposure to lung irritants.
The following are known to play a role in the development of COPD:
(CIGARETTE, PIPE, CIGAR, AND OTHER TYPES OF TOBACCO SMOKE)
COPD most often occurs in people who smoke or used to smoke
Breathing in secondhand smoke can also contribute to COPD
Exposure to pollutants such as dust or chemical fumes in the environment or workplace
Although it is rare, COPD can also be caused by a genetic disorder called alpha-1 antitrypsin deficiency, which is passed down in families