Electronic cigarettes are widely marketed as a way to help smokers quit traditional cigarettes, but a large new analysis finds they may actually have the opposite effect.
In fact, the report, published online today in The Lancet Respiratory Medicine, found that adult smokers who use e-cigarettes are actually 28 percent less likely to stop smoking cigarettes.
The question has been studied numerous times in the past, yielding sometimes conflicting results. But the new study -- systematic review and meta-analysis of published data -- is the largest to date.
"As currently being used, e-cigarettes are associated with significantly less quitting among smokers," wrote first author Dr. Sara Kalkhoran, who was a clinical fellow at the UCSF School of Medicine when the research was conducted. "E-cigarettes should not be recommended as effective smoking cessation aids until there is evidence that, as promoted and used, they assist smoking cessation." Kalkhoran is now at Massachusetts General Hospital and Harvard Medical School.
Read more: Cbsnews.com
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