Supreme Court grapples with flavored vape ban: Key takeaways The people who want to un ban flavored tobacco in Denver just submitted enough signatures to put it back on the ballot Supreme court to hear case challenging FDA's ban of flavored vapes Federal flavor ban goes into effect Thursday, but many flavored vape products will still be available 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 F.D.A. Plans to Ban Most E Cigarette Flavors but Menthol The New York Times