It is said that e-cigarettes can quit smoking. How good is the effect of smoking cessation? Recently, a study showed that the effect of e-cigarette smoking cessation is very significant and higher than other methods. Even if there is no strong desire to quit smoking, 11% of smokers take the initiative to quit smoking after switching to e-cigarettes. If the nicotine content of e-cigarettes is the same as that of cigarettes, the effect of smoking cessation is best.

The study was jointly completed by researchers from the Pennsylvania State University School of Medicine and Virginia Commonwealth University, and was supported by the National Institute of Drug Abuse (NIH) and the U.S. Food and Drug Administration (FDA). Support from the Tobacco Center. The research report is published in the official journal of the Nicotine and Tobacco Research Association.

520 cigarette smokers participated in the trial. Researchers divided the subjects into nicotine-free e-cigarettes, e-cigarettes with 8mg/ml nicotine content, e-cigarettes with 36mg/ml nicotine content, and nicotine replacement method four. Group.

　　The experiment came to the following three conclusions:

The smoking cessation rate of smokers in the 　　1, 36mg/ml group was 11%, the highest among the four groups. Secondly, the smoking cessation rate of smokers in the 8mg/ml group was 5%, while the smoking cessation rates of the nicotine replacement group and the nicotine-free e-cigarette group were 3% and 1%, respectively.

　　2. In the 6-month trial, the number of non-smokers in the 36mg/ml group was significantly higher than that of the other three groups.

　　3. During the test, all smokers who switched to electronic cigarettes did not experience physical discomfort.

In response to the test data, Penn State University Cancer Institute researcher Jessica Yingst pointed out that although smokers had a significant increase in their quit rate after switching to e-cigarettes, the quit rate of the 8mg/ml group was compared with that of nicotine. The replacement group has not improved much. This shows that the smoking cessation effect of e-cigarettes is directly related to the nicotine content. If the nicotine content is too low, the smoking cessation effect will also be reduced.

The lead author of the paper, Jonathan Foulds, a professor of public health at the Pennsylvania State University School of Medicine, said: “Because this clinical trial only recommends that subjects reduce smoking and does not require smoking cessation, the overall smoking cessation rate is low. However, the number of smokers who successfully quit smoking after switching to e-cigarettes is gradually increasing, while smokers who use nicotine-free e-cigarettes or nicotine substitution methods do not have similar situations."

Jonathan Folz pointed out in the report that although e-cigarettes are not completely harmless, the results of this experiment show that the main principle of e-cigarettes to quit smoking is to allow smokers to also obtain nicotine, and the content of nicotine is very important. If the content is similar to that of cigarettes, the effect of smoking cessation is best.

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