Mesothelioma and Asbestos Asbestos is a highly dangerous substance that could cause several medical conditions. One of these, mesothelioma, is a rare cancer. It is a rare cancer that affects the lining of certain organs. The most common mesothelioma forms are pleural and peritoneal. Mesothelioma develops from inhaling asbestos fibres. https://vimeo.com/705031535