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 Juul e cigarettes were banned in the U.S. What are the vaping rules in Canada? The Globe and Mail A new study has confirmed what many suspected, establishing vaping is likely to cause lung and oral cancer. #9News Vaping and Cancer: Key Questions Answered