FDA permits the marketing of an e cigarette for the first time, paving the way for vaping products to be legally sold in the U.S. Roswell Park Comprehensive Cancer Center Buffalo, Sweet and Fruity E Cigarettes Thrive Despite Teen Vaping Crackdown WSJ Many Young Adults Who Began Vaping as Teens Can't Shake the Habit KFF Health News Vaping might be more dangerous than smoking New York Post What science says about vaping risks The Examination