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.

2. That Major League Baseball should follow the lead of the minor leagues and ban the use of smokeless tobacco, such as not to set a bad example for the millions of youth who idolize these athletes and are viewing on television or at the ballpark.

In other words, the blatant flaw in this study is that it enrolled smokers who had already made quit attempts using e-cigarettes in the past. By definition, this resulted in a sample of smokers who were more resistant to quitting. One would expect to find lower quitting rates among this population of e-cigarette users.

For example:

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