Les cigarettes lectroniques parfois plus cancrignes que le tabac RTBF Actus Are E Cigarettes Safe? New Study Says Millions Who Use 'Vaping' As Tobacco Alternative Are Sucking In Formaldehyde IBTimes Do E Cigarettes Cause Cancer? E cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non averse to users Scientific Reports Cigarette lectronique et cancer: la vrit sur une fausse alerte japonaise Slate.fr E cigarettes contain up to 10 times more carcinogens