However, from a public health perspective, the relevant question is not what results one would obtain if smokers were forced to use a particular strategy, but what results are obtained when smokers make the choice to use a particular strategy. This is why Stan Glantz's approach is inappropriate.

The CDC has done enough damage with its irresponsible and untruthful propaganda about electronic cigarettes. It is time that policy decisions be guided by science rather than politics. And the science is now in. It indicates that youth smoking levels are at record lows, which casts serious doubt on the hypothesis that electronic cigarettes are fueling an alarming increase in youth smoking.

1. The subjects did not consent to participate in the study.

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