Learn about the causes of Mesothelioma: When airborne fibers of Asbestos are inhaled or ingested, they can become lodged in the cells lining vital organs. These are the only known causes of Mesothelioma. We have been helping victims since 1974. Find out all about Mesothelioma and Asbestos exposure at our website. San Francisco residents- call us today for a no cost evaluation.