Test reveals toxic content found in vapor from illicit THC cartridges What's in an E Cigarette? American Lung Association Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times E cigarette vapor has cancer causing chemical formaldehyde CBS News Is Formaldehyde In Cigarettes Clearing The Air: Do Vapes Still Contain Formaldehyde Cigarettes Vs Vape Australia What's in a vape anyway? Find out for Day 3 of #NDAFW, and learn more about resources on campus to help students cut back or quit vaping! To schedule a BASICS appointment