FDA Warns 9 Retailers and 1 Manufacturer for Selling E Cigarettes That Look Like Phones Regulating the Tobacco and Nicotine Market in the American Public Interest: A Reform Agenda for the FDA American Enterprise Institute AEI FDA Takes Action on Youth E Cigarette Usage With Warning Letters to Retailers Oncology Nursing Society About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Vaping and the Brain: Effects of Electronic Cigarettes and E Liquid Substances The Journal of Neuropsychiatry and Clinical Neurosciences FDA approves fruit flavored e cigarettes for the first time in US history Fox Business