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 Federal flavor ban goes into effect Thursday, but many flavored vape products will still be available Washington bill looks to ban flavored vapes, tobacco products Vape Bans: E Cigarette Restrictions in the U.S. and Worldwide Vaping360