Australian researchers have issued one of the strongest warnings yet about vaping, saying a major review of evidence suggests e cigarettes are likely to cause lung and oral cancer. The review found signs E cigarettes: 'cancer risk close to zero' Bhekisisa Vaping and smoking together increases lung cancer risk fourfold A new study published by the University of New South Wales on 30 March suggests that vaping and e cigarette use may increase the risk of cancer. The research, conducted by a team