Vaping harms your health Cancer Institute NSW Vaping damages lung tissue, causes immunity issues sans nicotine, THC, study says ABC7 Los Angeles Chemical characterisation of the vapour emitted by an e cigarette using a ceramic wick based technology Scientific Reports Johns Hopkins researchers find thousands of unknown chemicals in electronic cigarettes Hub E Cigarettes and Their Use in the U.S. and Kansas Kansas Health Institute E cigarette users trying to quit smoking should vape every day, studies suggest Smoking The Guardian