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. Is Vaping Worse Than Smoking? St. Vincent's Medical Center Vapes '95% safer' than cigarettes messaging backfired Why you should avoid vaping if you want a baby in future Your Fertility