Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat 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 risk free. Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science Printable materials Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Are Electronic Cigarettes the New Trend? Office for Science and Society McGill University