Can Vaping Lead to Lung Cancer? Richmond University Medical Center Evidence update on the cancer risk of vaping e cigarettes: A systematic review 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 JUUL Faces Wrongful Death Lawsuit as Vaping Injuries Surge E cigarette vapor linked to cancer in mice National Institutes of Health (NIH)