Ban on flavored vaping may have led teens to cigarettes, study suggests Yale News Michigan's Flavored E Cigarette Ban Blocked by Judge for Now Bloomberg The FDA is allowing vaping brand Juul to keep its e cigarettes on the market. Studies from Juul show its e cigarettes are less harmful for adult smokers, who can benefit from switching completely FDA bans all Juul e cigarettes in U.S.; lung association hails decision UPI.com