The truth is that the authors of this study did not intend to examine the effectiveness of e-cigarettes for smoking cessation. They have in fact explicitly stated that their results cannot and should not be used to draw conclusions about the effectiveness of e-cigarettes.

Think of it this way: Individual X has smoked 2 packs per day for 30 years. She has tried, unsuccessfully, to quit smoking using the nicotine patch and nicotine gum. Finally, she has successfully quit smoking using electronic cigarettes.

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