Vaping vs. smoking: what are the risks? Pacific Life Re 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 Smoking and cancer Fresh New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E Cigarettes: Know the Health Risks Department of Health Electronic Cigarette Fact Sheet