FDA and DOJ File Permanent Injunctions Against Six E Cigarette Manufacturers Oncology Nursing Society Tobacco Nicotine and Vaping National Institute on Drug Abuse (NIDA) NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) overview of new fda e cig e liquid regulations With Commissioner Under Pressure, F.D.A. Opens Door to Flavored Vapes The New York Times