Vaping and e cigarette use is a troubling trend Fort Plain Central School District E cigarettes: a quick guide to their risks Have you been thinking about trying e cigarettes? Think again! Most e cigarettes contain #nicotine and harmful emissions. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine is highly addictive Vaping Related Illness and Lung Disease NEJM Illustration of the four generations of e cigarette or vaping products. Download Scientific Diagram