Denver Flavor Ban Pushes Vapers to Suburbs Nicotine Insider Denver approves ballot petition seeking repeal of flavored tobacco ban What we can and cannot say about the immediate effect of SF's flavored tobacco product ban Stanton Glantz blog 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