No scientific evidence that E Cigarettes are less harmful: Health Experts, ETHealthworld New Report: E Cigarettes in Campaign for Tobacco Free Kids Most e cigarettes contain nicotine, which is highly addictive. Putting maximum limits on the nicotine strength of e cigarettes, along with evidence based tobacco control strategies, may help reduce youth e cigarette use and increase quitting Evidence strengthens that vaping is effective for stopping smoking but not reaching its full potential with adult smokers King's College London Smoke and Mirrors: Truth Initiative Conceals Benefits of Vaping American Council on Science and Health