New method for toxicological assessment of perfluoro mixtures Perfluoro (PFAS) is a group of substances that contains PFOS, PFOA and GenX. Perfluoro substances often occur as pollution in ground water and drinking water.
Further research into hazards posed by e-cigarettes Safety of nicotine-containing electronic cigarettes (e-cigarettes) cannot be confirmed because of the limited amount of published research in this area.