History of electronic cigarettes In the ESTxENDS randomized trial, the addition of electronic cigarettes to standard smoking cessation counseling resulted in greater abstinence from smoking at 6 months but also greater nicotine use. Read the full trial The Quad: Understanding the history and future of e cigarettes amid growing regulations Daily Bruin PDF) Short term effects of a nicotine free e cigarette compared to a traditional cigarette in smokers and non smokers