The evidence keeps piling up: e cigarettes are definitely safer than smoking Science The Guardian 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. Is Juul Still In Business? What Happened To The E Cigarette Brand Massachusetts vape ban officially lifted F.D.A. Delays Decision on Juul's E Cigarettes but Orders Others Off the Market The New York Times