E Cigarette: A Threat to Your Health VIMS&RC 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, Electronic Cigarettes and Your Health: Maritza O Jenkins, DMD: General Dentist How have e cigarettes changed over time? FDA warns retailers against illegal sale of e cigarettes to children PBS News