Scientific review finds e cigarettes likely cause lung and oral cancer Australian researchers have issued one of the strongest warnings yet about vaping, saying a major review of evidence suggests e cigarettes are likely to cause lung and oral cancer. The review found signs E cigarettes are likely to cause lung cancer and oral cancer Clinical Oncology Society of Australia concludes E cigarettes are likely to cause lung cancer and oral cancer Stanton Glantz blog Vaping alters mouth microbes National Institutes of Health (NIH) Oral Cancer: Causes, Symptoms, & Treatment