Asbestos Exposure Mesothelioma Asbestos is a grouping of minerals that are joined to create fibrous, thin substances. When these materials are disturbed tiny fibers can be breathed in. They stick to the lining of the lungs (pleura) and may get into the abdomen or heart lining (peritoneum or tunica vaginalis). https://ai-db.science/wiki/One_Key_Trick_Everybody_Should_Know_The_One_Asbestos_Trick_Every_Person_Should_Be_Able_To