Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk 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 Clinical Oncology Society of Australia concludes E cigarettes are likely to cause lung cancer and oral cancer Stanton Glantz blog Arrt du tabac : la cigarette lectronique, la meilleure aide au sevrage ? Psychologies.com