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 Illicit Vapes and E Cigarettes Flood Stores as F.D.A. Struggles to Combat Imports The New York Times E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all Mayor Kenney Proposes Vaping Law to Protect Minors