Nicotine vapes likely cause cancer theres no more denying it Scientific review finds e cigarettes likely cause lung and oral cancer Fears vaping could cause Cancer Healthwatch Barnsley 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 Current thinking about the effects of e cigarettes on oral cancer risk British Dental Journal Short term effects of vaping explained as new study claims e cigarettes could cause cancer