Long-term exposure to lung irritants such as industrial dust
and chemical fumes.
Preterm birth that leads to lung damage (neonatal chronic lung disease).
Inherited factors (genes),
alpha-1 antitrypsin deficiency. This is a rare condition in
which your body may not be able to make enough of a protein (alpha-1 antitrypsin) that
helps protect the lungs from damage. People who have this disorder and who smoke
generally start to have symptoms of emphysema in their 30s or 40s. Those who
have this disorder but don't smoke generally start to have symptoms in their
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
January 24, 2014
This information is not intended to replace the advice of a doctor.
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