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Objectives: Little is known regarding the effectiveness of electronic cigarettes (e-cigarettes) as therapy to aid in smoking cessation. Many hypothesize that e-cigarettes are equally as effective or more effective than alternate smoking cessation therapies. The purpose of this review was to examine the evidence on effectiveness of e-cigarettes on smoking cessation and quitting behavior as compared to other smoking cessation therapies, or no therapy at all.
Methods: Searches were done in PubMed utilizing the terms “electronic cigarettes” and “smoking cessation” [MeSH terms]. In PubMed, the following filters limits were used: published in the last 5 years, human species, English language, and adult (19+ years old).
Results: Studies by Biener and Hargraves, Brown et al, and Bullen et al, demonstrated a positive correlation of electronic cigarettes with smoking cessation. However, study by Bullen et al was not statistically significant. Study by Al-Delaimy et al revealed a negative correlation of electronic cigarette use on smoking cessation.
Conclusion: These studies demonstrate the inconsistencies that compose the existing research on electronic cigarettes and their role on smoking cessation. Additional research remains a vital factor in determining the effect of e-cigarettes on smoking cessation, as well as an investigation of the safety of these devices.
McMurray A, Walsh H. Are electronic cigarettes the solution to smoking cessation? JMU Scholarly Commons Physician Assistant Capstones. http://commons.lib.jmu.edu/pacapstones/6/. Published August 1, 2016.