1. Smoking Causes Emphysema
... by air pollution, occupational exposure to irritants (such as firemen, possibly a viral infection (9) and there is a rare heredity form of Emphysema caused by a protein deficiency (14) called alpha 1-antitrypsin deficiency (AAT) (8). Most always cigarette smoking is combined in these cases. Between 80 & 90% of all people who have emphysema are heavy smokers (17). It is estimated 50,000 to 100,000 ... Americans today live with this deficiency (15). AAT is referred to sometimes as early-onset Emphysema because it may begin as early of the ages of late 20's early 30's (15). There can be no...
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- Grade Level: High School