Vaping Linked to Cancer Risk, New Study Finds Lung Cancer Europe posted on the topic LinkedIn 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 E cigarette vapor linked to cancer in mice National Institutes of Health (NIH) Clinical Oncology Society of Australia concludes E cigarettes are likely to cause lung cancer and oral cancer Stanton Glantz blog