Attorney Gen. Brown Urges FDA To Block Flavored E Cigarette Approvals The BayNet The Truth About E Cigarettes & Vaping Information Card PTR Press Perceived threat and fear responses to e cigarette warning label messages: Results from 16 focus groups with U.S. youth and adults PLOS One NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) FDA proposes broad rules for e cigarettes Concerns raised after FDA reverses e cigarette policy