Asbestos Exposure Mesothelioma Asbestos is made up of an assortment of minerals that are joined to form thin, fibrous materials. When these materials are disturbed tiny fibers can be breathed in. They adhere to the linings of the lungs and can sometimes reach the heart, abdomen or the tunica vaginalis. https://articlescad.com/10-myths-your-boss-has-regarding-mesothelioma-non-asbestos-exposure-414456.html