For obvious reasons, the Glantz approach is the wrong one to take, and the Brown et al. approach is correct. This study demonstrates that when you analyze the data the proper way, it appears that electronic cigarettes -- for the right smokers -- can be an effective smoking cessation tool.

Misleading use of survey data has no place in professional public health practice

(2) A description of any reasonably foreseeable risks or discomforts to the subject; …

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