Source: MedPage Today Eight substances have been added to the list of carcinogens by the HSS (US Department of Health and Human Services) today. The Report of Carcinogens has added formaldehyde, aristolochic acids, o-nitrotoluene, captafol, cobalt-tungsten carbide (in powder or hard metal form), riddelliine, certain inhalable glass wool fibers, and styrene to the list of […]