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 move on flavored vapes sparks concern on toxicity, teen vaping FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News FDA officially bans Juul e cigarettes in the U.S.: Here's why nj.com