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 Softer Trump vaping ban replaces strict ban on all flavors Los Angeles Times Ban flavoured vapes, WHO says, urging tobacco style controls Reuters Supreme court to hear case challenging FDA's ban of flavored vapes