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A massive review of more than 40 studies and 9000 observations has concluded that electronic cigarettes aren’t all that bad. Indeed, the review even states that much of the concern about the products is outdated or misrepresented.

The review was funded by electronic cigarette consumer rights defense group CASAA (Consumer Advocates for Smoke-free Alternatives Association). Although this immediately brings with it claims from opponents that the review is biased, it still stands as a rather powerful statement in support of electronic cigarettes.

You can view the complete review here, but we’re going to give you a rundown of the most important part — the conclusions.

Even using worst case data, exposure to e-cig vapor both first- and second- hand fall well below the level necessary to be concerned about or to require action (bans, medical regulation, workplace usage bans, etc).

Levels of tobacco-specific nitrosamines are not sufficient to cause any measurable risk of cancer.

Ethylene glycol or diethylene glycol contamination has only been found in one sample ever.

Levels of metal particulates are showing to be trivial and posing of no health risk.

Volitile organic substances do not occur at problematic levels.*

The only substance exposure levels high enough to require more research are for the pharmaceutical bases that are already believed to pose no risk to individuals that are not allergic to them.

*Instances in which they were detected at problematic levels used unrealistic heating levels.

To sum them up as briefly as possible, most concerns about e-cigs are turning out to be rather trivial. We’ll be digging deeper on this soon. In the meantime, our thanks to CASAA for their ongoing support of the electronic cigarette industry and its consumers.