What Adult Vapers Should Do Now WSJ Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is riskfree. Amazon.com: Electronic Cigarette: Insight on Vaping revealed eBook : Quinn, Wilmer: Kindle Store Vaping Is Still a Big Problem, New Data Show. Here's What Schools Can Do About It F.D.A. Delays Decision on Juul's E Cigarettes but Orders Others Off the Market The New York Times