E Cigarettes and Vaping PPAC Central E cigarette flavors decrease perception of harm among youth Department of Family Medicine Kid friendly e cigarette ads appear to work With Partial Flavor Ban, Trump Splits the Difference on Vaping The New York Times E cigarettes and vape devices come in a number of forms. While some resemble tobacco products, others resemble household objects like USB devices, pens, highlighters and chargers. Some devices are re chargeable and other Juul is pulling teens' favorite flavor off shelves