FDA hazy on e cigarettes' safety CNN.com Don't Go Up in Smoke: E Cigarette Safety Electrical Safety Foundation International Vapes '95% safer' than cigarettes messaging backfired E Cigarettes Are Safer, but Not Exactly Safe The New York Times 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.