Impact of the FDA flavour enforcement policy on flavoured electronic cigarette use behaviour changes Tobacco Control Thousands of unauthorized vapes are pouring into the US despite the FDA crackdown on fruity flavors AP News One Year After Deadline for FDA Campaign for Tobacco Free Kids Reasons Supporting Regulation of E Cigarettes Perceived threat and fear responses to e cigarette warning label messages: Results from 16 focus groups with U.S. youth and adults PLOS One F.D.A. Delays Decision on Juul's E Cigarettes but Orders Others Off the Market The New York Times