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. E liquide BordO2 Pas Cher Comparatif des Prix Evapoteur The WHO Needs To Embrace Vaping Not Attack It Ecigclick The evidence keeps piling up: e cigarettes are definitely safer than smoking Science The Guardian