Experts question the evidence underpinning e cigarette recommendations Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas Most e cigarettes contain nicotine, which is highly addictive. Putting maximum limits on the nicotine strength of e cigarettes, along with evidence based tobacco control strategies, may help reduce youth e cigarette use and increase quitting E cigarettes: an evidence update. A report commissioned by Public Health England. Drugs and Alcohol Genetic evidence that e cigarettes increase cancer (and other disease) risk among young adults Stanton Glantz blog Blending evidence and empathy a new guide to e cigarettes The Counterfactual