FILE This April 16, 2019, file photo, shows a Juul vape pen in Vancouver, Wash. New research released on Tuesday, Nov. 5, 2019, shows U.S. teens who use electronic cigarettes prefer Juul gets FDA approval to keep selling e cigarettes LiveNOW from FOX FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News FDA seizes e cigarette documents in surprise inspection of Juul Labs in San Francisco Orange County Register What is JUUL?