Understanding e cigarette content and promotion on YouTube through machine learning Tobacco Control Vaping and Dabbing Facts for Parents E Cigarette and Vape Market Size, Share, Growth by 2026 Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. 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