Effectiveness of e cigarettes as aids for smoking cessation: evidence from the PATH Study cohort, 20172019 Tobacco Control Association between Harmful and Addictive Perceptions of E Cigarettes and E Cigarette Use among Adolescents and YouthA Systematic Review and Meta Analysis E Cigarette advertisements draw young eyes The Dispatch E Cigarettes Brands Flood the Market, Both Online and in Stores E cigarettes and Vaping: The New Tobacco Battleground Community Commons New E Cigarette Laws Could Drive Some Users to Smoke More Cigarettes Duke Health