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. First e cigarette authorized in the U.S., FDA cites benefit for smokers National Globalnews.ca Bill to ban e cigarettes for minors passes unanimously E Cigarette How E Cigarettes Work, Health Risks & Teen Use E Cigarettes May Pump Out The Same Kind Of Addictive Nicotine Found In Tobacco Laden Cigarettes FDA clears first menthol e cigarette for adults