Illegal vape sales doubled over the past year FDA announces first approval of fruit flavored e cigarettes for adults Juul to pay nearly $440 million to settle probe into underage marketing of vape products PBS News The Synthetic Nicotine Loophole Fueling a Return to Teenage Vaping The New York Times How easy did a Highland teenager find it to buy vapes underage? Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times