E Cigarettes (Vapes) Smoking and Tobacco Use CDC 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. Healthier Alternatives: Health, child rights experts warn against use of e cigarettes, vapes, ETHealthworld Mayo Clinic Minute: Are e cigarettes safe? YouTube Dr. Nancy Snubs Out E Cigarette Myths SAFETY SATURDAY E cigarette use is growing fast among kids and teens. A national survey found that from 2017 to 2019, vaping more than doubled among high school students and more than tripled