5 Vaping Facts You Need to Know Johns Hopkins Medicine E Cigarettes: Safer But Not Safe 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. Health effects of electronic cigarettes Wikipedia Vaping & Electronic Cigarettes Stokes Citizens for Safe and Healthy Communities Want to quit smoking? Vaping is not the answer