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 Vape Flavors Face Extinction in California with Uncompromising New Law NEW STUDY: California Flavor Bans Linked To Lower Youth Vaping Without Raising Cigarette Smoking A new study published Friday found that local bans on flavored tobacco products in California were linked to US Supreme Court rejects challenge to California flavored tobacco ban Reuters