Vape Maker Stocks Trade Higher After FDA Clears an E Cigarette Barron's Researchers at MUSC receive grant to help FDA study menthol and e cigarettes Two of RFK's top brass have resigned this week, both over the approval of two flavored e cigarettes. Both made clear that the approvals go against the FDA's mission to prevent vape companies FDA scrutinized for lack of studies showing how e cigarettes may reduce smoking related deaths Fox Business