Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative 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 We were shocked': Vaping considerably increases lung cancer risk among people who smoke About E Cigarettes (Vapes) Smoking and Tobacco Use CDC