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Vaping is Not a Gateway to Smoking

Jim McDonald
June 27, 2017

It’s been a tradition among anti-vaping researchers to try to prove a gateway from vaping to smoking. It’s seems like a magnet for every researcher lacking either pride or good sense, or both. And as we know, the list of tobacco control zealots limited in those areas is long, deep and continuous.

But it never gets old. The “gateway theory” is an anti-vaping touchstone. Or a cobblestone. Or something. Anyway, they really like trying to do it — and as we’ve seen many before, they can’t prove anything.

This is such a hot topic, Clive Bates wrote a blog post about the common pitfalls encountered by excited researchers writing about gateways, and how journalists can spot them — because no self-respecting gateway proponent forgets to issue a frightening press release.

Here we go again


Now we have a new gateway effort, this one a “meta review,” which combines the data from multiple previous studies to (supposedly) draw more reliable conclusions. It’s in the journal Pediatrics, which has published more than its share of gateway speculation.

The authors make up a who’s who of terrible vaping researchers, including Jessica Barrington-Trimis and Jennifer Unger of the University of Southern California — who’ve been around the block with gateways before — and Samir Soneji of Dartmouth. The full list is too long to print. Everyone wanted in on this.

The criteria they used to choose the studies for their review were these: “longitudinal studies reporting odds ratios for cigarette smoking initiation associated with ever use of e-cigarettes or past 30-day cigarette smoking associated with past 30-day e-cigarette use.” Wait a minute, that a lot of association…right?

An association doesn’t necessarily mean one thing causes the other.

“Whether using e-cigarettes causes a young never smoker to go on to smoke tobacco cigarettes is important,” says Prof. Ann McNeill of King’s College London, addressing the limitations of this study. “This review does not find this. It cannot rule out the alternative explanation that young people who are interested in trying e-cigarettes are also interested in trying tobacco cigarettes.”

In other words, an association doesn’t necessarily mean one thing causes the other. The authors do their best to make the association sound like cause and effect, but all they can do is huff and puff about it. “e-Cigarette use was associated with greater risk for subsequent cigarette smoking initiation and past 30-day cigarette smoking,” they write. But as Prof. McNeill said, it’s just as likely that the study participants are the sort of kids likely to try anything.

If there is a gateway effect it seems to be going the other way.

But these authors aren’t about to be stopped by logic. Really they just want to get to their conclusion, and demand some serious government intervention: “Strong e-cigarette regulation could potentially curb use among youth and possibly limit the future population-level burden of cigarette smoking.”

Sure, maybe. Or maybe cigarette smoking will decline — just like it has since the popularity of vaping began growing rapidly five years ago. That’s right. If there is a gateway effect it seems to be going the other way. Fewer teens are smoking than at any time since we began tracking smoking trends. And more smokers — adult and youth — are using e-cigarettes to quit smoking than any other product.

Last year, writing about Barrington-Trimis’s first trip through the gateway, Dr. Michael Siegel concluded that “as vaping has become more popular among youth, it has displaced cigarette smoking and contributed towards the de-normalization of cigarette smoking.” And so far, that’s what real world numbers suggest.

Smokers created vaping without any help from the tobacco industry or anti-smoking crusaders, and vapers have the right to keep innovating to help themselves. My goal is to provide clear, honest information about the challenges vaping faces from lawmakers, regulators, and brokers of disinformation. I recently joined the CASAA board, but my opinions aren’t necessarily CASAA’s, and vice versa. You can find me on Twitter @whycherrywhy


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RoseAvid VaporJim McDonaldNicholas D WesternTom Recent comment authors
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It is an age old problem, people take concurrent events and then apply causality.
Unfortunately people tend to be lazy and without curiosity, they take the conclusion as fact.

Intelligence requires at least a spark of curiosity.


If vaping and smoking did NOT have some sort of association then the tobacco control loons would really have something to complain about because one wouldn’t be displacing the other.
This “association” is a catch-22 and they know it.

Nicholas D Western
Nicholas D Western

Truth, as someone who quit smoking for vaping I can back up this claim. Cigarettes disgust me now. Even just the smell makes my stomach turn.

Avid Vapor
Avid Vapor

Love vaping, but in all honesty, I tried an electronic device before I ever dared touch a cigarette. It seemed safer, and successfully addicted me to nicotine. Not throwing wrenches, I just hate propaganda from either side.


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