Talking to Your Teen Who Vapes University of Rochester Medicine Healthier Alternatives: Health, child rights experts warn against use of e cigarettes, vapes, ETHealthworld How Safe are Electronic Cigarettes? 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.