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21
2024
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05
Can e-cigarettes reduce harm? U.S. study publishes new data
The utility of e-cigarettes as a smoking cessation aid has been proven in the United States. The authoritative medical journal Nicotine Tobacco Research recently published a study showing that e-cigarettes have significantly increased the success rate of U.S. smokers in quitting between 2018-2021, and that more and more U.S. smokers are successfully quitting with the help of e-cigarettes.
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The utility of e-cigarettes as a smoking cessation aid has been proven in the United States. The authoritative medical journal Nicotine Tobacco Research recently published a study showing that e-cigarettes have significantly increased the success rate of U.S. smokers in quitting between 2018-2021, and that more and more U.S. smokers are successfully quitting with the help of e-cigarettes.
The study was led by Roswell Park Comprehensive Cancer Center, and the research spanned a nationally representative period of eight years. Using the World Health Organization's official definition of quitting tobacco as a benchmark, the researchers divided smokers into two groups according to whether they used e-cigarettes to quit smoking and found that there was no difference in quitting success rates between the two groups between 2013 and 2016, while there was no difference in quitting success rates between the two groups. The researchers found that between 2013-2016, there was no difference in the success rate of smoking cessation between the two groups, but after 2018, the success rate of smoking cessation in the e-cigarette group was significantly higher.
The data showed that the success rate of smokers quitting with e-cigarettes between 2018-2021 was 30.9%, while the success rate of smokers not using e-cigarettes was only 20%. "Our study shows that the role of e-cigarettes has changed for American smokers who want to quit." Study first author Karin Kasza, a professor at Roswell Park Comprehensive Cancer Center, said.
Why the turning point was 2018?Karin Kasza believes that one, the number of e-cigarette users in the United States has grown significantly since 2018, and two, a series of laws regulating the e-cigarette market have been enacted by the Department of Public Health between 2018-2021. In addition, the growing body of relevant scientific evidence has led to more smokers voluntarily switching to e-cigarettes and consciously quitting with them.
In their paper, the authors refer to the latest findings of Cochrane, an authoritative international medical organization. Its paper, published in 2024, says there is high-certainty evidence that e-cigarettes can help smokers quit and are more effective than nicotine replacement therapy commonly used in smoking cessation clinics. "Quitting smoking with the aid of e-cigarettes is more likely to be successful and has no serious adverse effects. We believe this result will not be easily changed." Nicola Lindson, head of the Oxford Tobacco Addiction Group (OxTAG), said.
According to publicly available data from the Centers for Disease Control and Prevention (CDC), e-cigarette use in the U.S. rose from 3.7 percent to 4.5 percent from 2020-2021, while U.S. cigarette use fell from 12.5 percent to 11.5 percent. Thanks to the effective role played by e-cigarettes in aiding smoking cessation, the U.S. adult smoking rate (number of cigarette users/total number of cigarettes*100%) has fallen to its lowest point in nearly 60 years.
The U.S. medical community's attitude toward e-cigarettes is also changing. "We have seen a lot of authoritative evidence confirming that e-cigarettes can be used for smoking cessation and harm reduction. These elements present an opportunity for the U.S. public health establishment to take a fresh look at e-cigarettes, i.e., to shift from 'can e-cigarettes quit smoking' to 'how can we make e-cigarettes better at helping smokers quit'." Nancy Rigotti, professor of medicine at Harvard Medical School, said.
"E-cigarettes have improved smoking cessation success rates among U.S. smokers in recent years, and this change deserves attention. We should keep updating relevant studies to provide the latest data to support decision-making in the public health sector." The authors wrote in the paper.
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