Evidence strengthens that vaping is effective for stopping smoking but not reaching its full potential with adult smokers King's College London Public Service Announcement Vaping might seem like a safer alternative to smoking, but it comes with serious risks. Vaping is particularly dangerous for young people. Nicotine exposure during adolescence can harm brain Health effects of electronic cigarettes Wikipedia 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.