Youth vaping declines after California flavor ban, UCSD study finds NBC 7 San Diego Supreme Court hears arguments regarding the banning of vape and e cigarette flavors Supreme Court refuses request to block California flavored tobacco ban PBS News Supreme Court to weigh FDA's refusal to approve flavored vapes Flavored vape ban takes effect in Rhode Island A unanimous Supreme Court overturned a lower court ruling and found the FDA acted lawfully when it blocked two vaping companies from marketing fruity and dessert flavored liquids for their electronic nicotine products.