"while we have heard from some former smokers who say e-cigarettes helped them quit, there is not yet any conclusive scientific evidence that e-cigarettes can work as a cessation aid."

There is no question that the best advice to smokers is to quit completely. But for those who are unable to do so, the use of electronic cigarettes to try to quit is sound advice. Clearly, if they quit completely with electronic cigarettes, they have accomplished a huge task in terms of improving their health. But even if they are still dual using, they may have substantially improved their health. And, they may have made it easier to quit completely at a later time.

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