Vaping and the use of e cigarettes are likely to cause cancer, according to a new study published by the University of New South Wales on 30 March. The study, which brought together Composition d'un eliquide pour cigarette electronique E cigarettes: 'cancer risk close to zero' Bhekisisa Can vaping cause cancer? The evidence suggests it might. An oncologist shares what he tells people when they ask about vapes and cancer risk.