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. E Cigarettes and Vaping Don't Assume E Cigarettes Are Safe: What You Need to Know Before Vaping Don't Go Up in Smoke: E Cigarette Safety Electrical Safety Foundation International