Nothing good comes from smoking , and vaping isn't a safe alternative. E cigarettes often contain nicotine and other harmful substances, and studies show that young people who vape are more likely to Alert! e cigarettes may be as harmful as tobacco smoking, says study Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science E Cigarettes and Secondhand Aerosols Smoke Free At Home NM An e cigarette is a battery operated device that heats liquid nicotine, flavoring, and other additives to create an aerosol. This JAMA Patient Page describes e cigarettes and the potential health effects of vaping. https: ja.ma 4dbZqrL What Does Vaping Do to Your Lungs? Johns Hopkins Medicine