Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk 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 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 Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation Exposure to PM2.5 and E cigarette can potentially put you at greater risk of lung cancer . Both exposure to PM2.5 air pollution and e cigarette use are linked to an increased risk of Evidence update on the cancer risk of vaping e cigarettes: A systematic review