Potential Juul ban will boost other vaping brands, retailers and customers say Iowa Capital Dispatch 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 Vaping vs. smoking: what are the risks? Pacific Life Re Juul e cigarettes were banned in the U.S. What are the vaping rules in Canada? The Globe and Mail