The History Of Asbestos-Related Mesothelioma Asbestos is a fiber that was once used in construction as insulation and fireproofing. Asbestos fibers are small and toxic, easily entering the body through the lungs and causing a number of health problems. Exposure to asbestos can cause a variety of diseases, including lung cancer, asbestosis, an... Similar Editorial : by submit111@gmail.com. | Source : Kidney Disease Treatment