Nicotine delivery different for different e cigarettes finds study There's been an alarming resurgence in nicotine use for young adults. From restrictions on marketing that target teens, to prohibiting flavors designed to entice youth the FDA needs to enact more The Synthetic Nicotine Loophole Fueling a Return to Teenage Vaping The New York Times Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis