Current thinking about the effects of e cigarettes on oral cancer risk BDJ Team E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is 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 Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society E Cigarettes and Associated Health Risks: An Update on Cancer Potential