Mesothelioma and Asbestos Asbestos is a very dangerous substance that can cause several medical ailments. One of these, mesothelioma, is a rare cancer. This is a rare cancer that affects the lining of specific organs. The most common kinds are peritoneal and pleural mesothelioma. Mesothelioma develops from breathing asbestos fibres. https://vimeo.com/705038053