Study: E-cigarettes don’t help smokers quit

DALLAS — Adult smokers who use electronic cigarettes are less likely to stop smoking conventional cigarettes, according to a new study. That’s despite e-cigarettes being marketed as an effective stop-smoking method.

Researchers report in The Lancet Respiratory Medicine that smokers who use e-cigarettes are 28 percent less likely to quit smoking cigarettes than smokers who don’t use e-cigarettes. Researchers analyzed results from dozens of published studies.

“E-cigarettes should not be recommended as effective smoking cessation aids until there is evidence that, as promoted and used, they assist smoking cessation,” said study author Sara Kalkhoran M.D., who conducted the research as a clinical fellow at the University of California, San Francisco School of Medicine and is now at Harvard Medical School in Boston.

E-cigarettes deliver a nicotine-containing aerosol, popularly known as vapor, by heating a solution usually made of glycerin, nicotine and flavoring agents. In 2015, the U.S. Preventive Services Task Force concluded there was insufficient evidence to recommend e-cigarettes to help people quit smoking.

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