Definition: One of the causes of emphysema, alpha-1-antitrypsin is an enzyme in the body that is found to be deficient in a small percentage of people. This leaves them susceptible to irritants such as cigarette smoking, secondhand smoke, allergens and air pollution.
To learn more about alpha-1-antitrypsin deficiency, visit:
Alpha-1-Antitrypsin Deficiency: An Unsung Cause of Emphysema.
