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. Vapes VS. Cigarettes, Which One Is Safer? About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Electronic Cigarettes and Your Health: Maritza O Jenkins, DMD: General Dentist E Cigarettes and Vaping PPAC Central