E Cigarettes vs. Traditional Cigarettes: How Do They Stack Up? Vibe Medina E cigarette alternative: what is the best smoking substitute? A Randomized Trial of E Cigarettes versus Nicotine Replacement Therapy New England Journal of Medicine Menthol Cigarette Alternatives E cigarette UK Menthol Cigarettes UK Public The amount of nicotine in an e cigarette can vary greatly. Youth may intake nicotine levels that are equivalent to multiple packs of cigarettes. To learn more about the highly addictive E Cigarettes (Vapes) Smoking and Tobacco Use CDC