Is Vaping Bad For You? Side Effects, Risks, Nicotine, Marijuana Vapes can contain harmful chemicals, such as diacetyl and heavy metals. They just don't put it on the pack. Do you know what you're vaping? Get the facts at nt.gov.au vaping Cancer Council A Comprehensive Guide of Vaping LOST MARY Vaping Guide FAQs & Jargon Buster Vaping is on the rise. While e cigarettes don't contain tobacco, they may still contain many of the same toxic and cancer causing chemicals found in regular cigarettes. This includes: Acrolein (weed