Perceived threat and fear responses to e cigarette warning label messages: Results from 16 focus groups with U.S. youth and adults PLOS One The Truth About E Cigarettes & Vaping Information Card PTR Press NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) How to Ensure FDA Tobacco Compliance Checks [Guide] Today, the peer reviewed scientific journal American Journal of Preventive Medicine published a study co authored by FDA scientists showing that the agency's youth e cigarette prevention campaign, The Real Cost, prevented an estimated 444,252