The evidence is clear that bans on flavored vapes produce unintended consequences, including increased cigarette use among adults and teens who might have otherwise switched to less harmful alternatives, Cato's Dr. Jeffrey PMTA Registry Bills, Which Ban Flavored Vapes, Are Spreading Indiana H.B. 1218: The Statewide Vape Ban, Take Action Now USA: Illegal Vapes Tobacco Insider E Cigarettes Take Hold in Oklahoma The New York Times Study: Vaping Statistics by State