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What Causes of Mesothelioma?
The major known cause of mesothelioma is exposure to asbestos. A known history of asbestos exposure is present in a majority of cases of mesothelioma. Asbestos likely causes cancer by physically irritating the cells. When asbestos fibers are breathed in, they reach the ends of the small airways and penetrate into the pleura (lining of the lung). These fibers may then injure mesothelial cells of the pleura and eventually cause mesothelioma.
The risk of developing mesothelioma rises with the quantity of asbestos exposure. However, genetic factors also play a role in determining who develops the condition. This is probably the reason why all people exposed to high levels of asbestos do not develop mesothelioma.
Mesothelioma also has been linked to the following:
Medically Reviewed by a Doctor on 7/21/2016
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