The most probable factor in which Mesothelioma occur is asbestos exposure, so people who meet asbestos in their daily activity such as asbestos miner, shipyard worker, Asbestos product worker have a high probability of infected by Mesothelioma.
Although asbestos is the main reason for a person to have infected by Mesothelioma, there are no reports of how active smokers affected by these disease. Still an active smoker have a high probability of having another kind of disease such as Tuberculosis, breast cancer for women or lung cancer. Lung cancer is very different from mesothelioma because lung cancer occurs inside of the lung it self .
