New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking A new study has confirmed what many suspected, establishing vaping is likely to cause lung and oral cancer. #9News Evidence update on the cancer risk of vaping e cigarettes: A systematic review Juul devices cited in seizure reports that started FDA probe Los Angeles Times Vaping: It's All Smoke and Mirrors American Lung Association E cigarette vapor linked to cancer in mice National Institutes of Health (NIH)