There are experts that have speculated on other causes. There are incidences of Mesothelioma with no known asbestos exposure. Mesothelioma is not a lung cancer. Smoking does not cause it. It is a cancer of the mesothelial cells.
Causes of Mesothelioma
The only known, established cause of Mesothelioma is asbestos. The asbestos fibers are breathed in, travel through the lung and become lodged in the pleura, the thin, saran wrap-type membrane that lines