China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters E cigarette flavors are toxic to white blood cells, warn scientists Flavored e cigarettes are fueling a dangerous increase in tobacco use Salon.com New Flavored E Cigarette Cartridge Policy Goes Into Effect Feb. 6 Convenience Store News Flavored tobacco use among youth and young adults Flavor Bans on E Cigs May Be Boosting Traditional Cigarette Sales