Peter Hajek, director of the Tobacco Dependence Research Unit at Queen Mary, University of London, also this critical flaw in the study: ""The authors followed up smokers who tried e-cigarettes but did not stop smoking, and excluded smokers who tried e-cigarettes and stopped smoking," he said. "Like smokers who fail with any method, these were highly dependent smokers who found quitting difficult. The authors concluded that e-cigarette (use) was not helpful, but that would be true for any treatment however effective if only treatment failures were evaluated."

From the researchers themselves!

The key qualifier is "for the right smokers." There is a subset of smokers who try electronic cigarettes and find them satisfactory. They may then go on to make a decision to try to quit using e-cigarettes. The results of this study do not imply that if a smoker were "forced" to use e-cigarettes to quit, one would find the same favorable results.

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