What Are the Differences Between an E Cigarette and a Vape Kit? Vaping Devices (Electronic Cigarettes) DrugFacts National Institute on Drug Abuse (NIDA) Health effects and known pathology associated with the use of E cigarettes ScienceDirect E cigarettes and Vaping: Is It Better Than Smoking? Qtox 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 Illustration of the four generations of e cigarette or vaping products. Download Scientific Diagram