Healthier Alternatives: Health, child rights experts warn against use of e cigarettes, vapes, ETHealthworld The evidence keeps piling up: e cigarettes are definitely safer than smoking Science The Guardian E cigarettes: effective cessation tool or new gateway to smoking tobacco? UICC 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. Mayo Clinic Minute: Are e cigarettes safe? YouTube