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 What States Are Banning Vapes In 2025? Kids Less Likely to Use Unflavored Tobacco Products Penn LDI New Study Shows E Cigarette and Cigarette Sales in California Have Declined Following Law Banning Flavored Tobacco