Which States have Vape Bans? Here's What to Know PUFF IGNITE 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 2025 Vape Ban (PMTA Registry) As of 9 9 25 : r MapPorn CU Cancer Center Leaders Applaud Denver's Ban on Flavored Tobacco Sales