Unfortunately, it does not appear that these investigators are truly interested in whether e-cigarettes help many smokers quit or not. Instead, I believe that these researchers have a pre-determined conclusion that e-cigarettes are ineffective and that they are trying to manufacture results that support their pre-determined conclusion.

The study concludes that e-cigarettes are not helpful for smoking cessation among cancer patients.

2. Mayo Clinic Proceedings

Furthermore, later in the paper they reinforce this point more specifically, writing: "the cross-sectional nature of our study does not allow us to identify whether most youths are initiating smoking with conventional cigarettes and then moving on to (usually dual use of) e-cigarettes or vice versa...".

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