Hopefully, we can all agree that funding early childhood education should be a national priority. The question is: where do we get those funds?

The impression I am left with is that the entire harm reduction debate is a toxic one, with venom on both sides, which is leading to irrational thinking, blind adherence to ideology, a focus on ad hominem attacks rather than rational scientific discourse, and a biased perspective on the scientific evidence.

Fortunately, there is a simple way to evaluate this hypothesis, at least on a preliminary basis, prior to waiting for the results of longitudinal studies. Enough youth are experimenting with electronic cigarettes, and the increase in youth e-cigarette use has been dramatic and sustained enough, that if the gateway hypothesis were correct, we would be starting to see an increase in smoking prevalence among youth due to the many new smoking initiates that were converted from e-cigarette experimentation to smoking.

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