Ohio State University part of FDA e cigarette studies Industrie de l'e cigarette Banque de photographies et d'images haute rsolution Page 3 Alamy Electronic cigarettes use and 'dual use' among the youth in 75 countries: estimates from Global Youth Tobacco Surveys (20142019) Scientific Reports E cigarettes can help people quit smoking but may be gateway for non smokers, studies suggest ABC News Frontiers Direct health implications of e cigarette use: a systematic scoping review with evidence assessment