E cigarette Myths Go Up In Smoke St. George Medical Clinic What's in e cigarettes, and are they safe? A few issues to consider before you 'vape.' The Washington Post Importing nicotine e cigarettes banned after 'significant increase' in use by young people ABC News 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.