A review of analytical techniques for the determination of e liquid and electronic cigarette aerosol composition ScienceDirect Spreading fear and confusion with misleading formaldehyde studies The Counterfactual Do E Cigarettes Really Contain Ten Times the Carcinogens of Tobacco Cigarettes? Snopes.com Daily exposure to formaldehyde and acetaldehyde and potential health risk associated with use of high and low nicotine e liquid concentrations Scientific Reports Formaldehyde is used to preserve dead bodies. This same cancer causing chemical is also found in vape juices. Vaping may look harmless, but looks can be deceiving.