Daily exposure to formaldehyde and acetaldehyde and potential health risk associated with use of high and low nicotine e liquid concentrations Scientific Reports Vapes don't produce harmless water vapor. They can contain addictive nicotine, cancer causing chemicals like acetaldehyde and formaldehyde, as well as heavy metals that don't belong in your body. Live Vape Free is Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY The Danger of Chemicals Used in Vape Liquid The Science Blog How Harmful is Vaping? CNM Ireland College of Naturopathic Medicine A leading provider of a range of natural health training courses