The Centers for Disease Control and Prevention (CDC) writes that e-cigarette experimentation and recent use doubled among U.S. middle and high school students from 2011–2012, which has resulted in about 1.78 million students having ever used e-cigarettes as of 2012. The CDC takes the position that the overall impact which e-cigarettes have on public health remains uncertain. However, on Sept. 7, 2013, MedPage Today reported, "E-Cigarette Might Help Smokers Quit."
A clinical trial has showed a nicotine-dispensing electronic cigarette has helped smokers quit smoking at least as much as nicotine patches did. Peter Hajek, PhD, CClinPsych, of the UK Centre for Tobacco and Alcohol Studies at Queen Mary University of London, has said these battery-powered devices, which vaporize nicotine for inhalation, offer some practical advantages over nicotine replacement therapy.
In the U.S. and most other countries across the world, e-cigarettes are regulated as tobacco rather than as medication. They are therefore easy to gain access to without the expense of going to a health professional. These researchers take the position that e-cigarettes offer a cheap alternative for stop-smoking services to consider. However, more research is necessary to help establish their overall benefits and harms at both individual and population levels.