Mesothelioma is a rare form of cancer. It is deadly and hard to fight. The only known cause of mesothelioma is asbestos. Asbestos is a set of natural fibers that can become lodged in peoples’ lung tissue after being breathed in. The symptoms of mesothelioma generally do not occur until a decade or more after the exposure to asbestos. This infographic explains who is at risk for mesothelioma and asbestos exposure. It also explains how mesothelioma is treated.