Emissions from Electronic Cigarettes: Key Parameters Affecting the Release of Harmful Chemicals Environmental Science & Technology Cigarette lectronique et cancer : et si l'alerte japonaise n'tait qu'un ptard mouill ? 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.