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Sabrina Tavernise put together an outstanding, insightful, and very well-written article about the electronic cigarette debate within the tobacco control movement for a front-page Sunday New York Times .

1. Stan Glantz blog

What the study did show was subclinical evidence of impaired lung function, meaning that the observed (measurable) lung function was unchanged, but that there was evidence of physiologic effects consistent with some bronchial inflammation. What is not known is whether this acute bronchial inflammation has any significance in the long-term. The presence of bronchial inflammation may be a result of propylene glycol having a respiratory irritant effect. But this does not necessarily mean that long-term exposure would lead to any adverse effect on lung function. More research is necessary to clarify that point.

Moreover, what scientific evidence is the FDA looking for in order to approve a simple claim that electronic cigarettes are safer than tobacco cigarettes? If the overwhelming current evidence is not sufficient, then no evidence will ever be sufficient because there is no further research that is necessary in order to draw this conclusion. It doesn't take a rocket scientist to figure out that a product which burns tobacco and produces tobacco smoke with more than 10,000 chemicals including more than 60 carcinogens and causes more than 400,000 deaths per year is more harmful than a product which merely heats and aerosolizes nicotine from a solution of propylene glycol.

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