These data add to the increasing evidence that the dramatic increases in youth experimentation with electronic cigarettes are not leading to increased smoking. The gateway hypothesis - that e-cigarette use leads to smoking - does not appear to be supported by any evidence at the current time.

The Rest of the Story

To illustrate how inappropriate the use of these studies are to draw conclusions about the effectiveness of e-cigarettes for smoking cessation, let's look at two of these studies:

"This is a blatant attempt at rent-seeking by an obvious vested interest. We know that the pharmaceutical industry has been lobbying hard to hamper the growth of e-cigarettes so it comes as no surprise to find Glaxo using the tired old gateway argument. The truth is that e-cigarettes will only "seriously disadvantage" the NRT market if they work better as quitting aids. In my experience—and the experience of countless other people—e-cigarettes are much better substitutes for smoking. If they were really a "gateway" to smoking, e-cigarettes would be good for companies like Glaxo as they would create more smokers (NRT companies need there to be smokers just as much as cigarette companies do)."

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