Mesothelioma and Asbestos Asbestos is an extremely hazardous substance that can lead to numerous medical ailments. One of these is mesothelioma. This is a rare type of cancer that affects the lining of certain organs. The most common forms are peritoneal and pleural mesothelioma. Mesothelioma develops from breathing asbestos fibres. https://vimeo.com/703527082