Perhaps the most useful contribution of this paper is that it readily demonstrates why the approach being used by Stan Glantz to assess the effectiveness of e-cigarettes for smoking cessation is inappropriate and leads to erroneous conclusions.

If you read the comments to yesterday's post, in which I opine that it is time for Major League Baseball to ban the use of smokeless tobacco by its players during games, you'll see that I was battered by a number of harm reduction advocates. This battering also took place on Twitter and Facebook, where further pot shots were taken.

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