Do E Cigarettes Cause Lung Cancer? Dr James Wilson Evidence update on the cancer risk of vaping e cigarettes: A systematic review 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 Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk E cigarettes contain hazardous substances, addictive and harmful Lung cancer risks persist with e cigarette use after quitting tobacco smoking