Smoke without fire: What's the truth on e cigarettes? New Scientist 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 An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link Since their introduction in Europe in 2006 and the U.S. in 2007, the use of e cigarettes a.k.a., vapes has skyrocketed. A recent review from researchers in Australia found the results Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat