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All types of asbestos fibers.Almost all related to the pathogenesis of mesothelioma .However, the risk of fiber self-sufficiency is not the same .Is the most dangerous contact Qingshi Mian.The danger is minimal contact with asbestos Huang .First contact with asbestos-induced disease incubation period is generally between 20 to 40 years .The incidence of mesothelioma and asbestos exposure time and in direct proportion to the severity of .

In the atmosphere such as the increase in the gross content of zeolite,Such people inhalation of silica zeolite powder ,Can cause mesothelioma.Has also been reported after radiation exposure caused by pleural mesothelioma cases.From radiation exposure was found to suffer from pleural mesothelioma time for 7 to 36 years ,An average of 16 years. Nitrosamines ,Glass fiber ,Hydrocyanic acid ,Thorium oxide ,Beryllium and other lung diseases (such as tuberculosis and chemical substances and lipid aspiration pneumonia) ,Can lead to pleural mesothelioma.