Can vaping cause cancer? The evidence suggests it might. An oncologist shares what he tells people when they ask about vapes and cancer risk. 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 Can Vaping Cause Cancer? What Does It Do to Your Lungs? We were shocked': Vaping considerably increases lung cancer risk among people who smoke Vaping 'likely' to cause lung and oral cancers, 'most definitive determination' to date finds Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit.