Secondhand smoke, also known as passive or environmental tobacco smoke, is smoke that you inadvertently inhale from someone else's cigarette, pipe or cigar. Although the lung damage that occurs in emphysema develops gradually, most people with tobacco-related emphysema begin to experience symptoms of the disease between the ages of 40 and 60. The risk for all types of smokers increases with the number of years and amount of tobacco smoked. Emphysema is most likely to develop in cigarette smokers, but cigar and pipe smokers also are susceptible. Risk factorsįactors that increase your risk of developing emphysema include: It's called alpha-1-antitrypsin deficiency emphysema. ![]() Rarely, emphysema is caused by an inherited deficiency of a protein that protects the elastic structures in the lungs. The main cause of emphysema is long-term exposure to airborne irritants, including:
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