Scientists say the evidence is clear: E cigarettes beat patches and gum in helping smokers quit ScienceDaily 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 Blending evidence and empathy a new guide to e cigarettes The Counterfactual PHE publishes independent expert e cigarettes evidence review GOV.UK