New "study" done.

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Kilroy

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well..my true concerned is the folks that still using analogs . once they learn that ecig DOES NOT DELIVER will be deterred from trying ecig like we all did and pass on golden opportunity to get off analog for good !!

All that we know is that in this particular study, under these particular conditions, no significant levels of nicotine were detected. I've been smoke free for over two months, and that is due to these wonderful devices. As a result of this study, I've ordered some cotinine tests. I am genuinely curious as to whether I have nicotine in me or not. I'll let you know how it pans out.
 

john doe

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Dear Ms. Long:
REF: 1-09-001-K
Thank you for your recent efforts to update the USP Glycerin Monograph to include in
the test for Identification a limit of NMT 0.10% DEG/EG. Consistent with this revision,
the agency will recommend that the USP monographs for Propylene Glycol and Sorbitol
Solution also be revised to include a limit test for diethylene glycol contamination. There
have been several incidents over the years that involved DEG contamination of glycerin,
propylene glycol, and sorbitol solution. Very recently, there have been news reports from
Nigeria of the deaths of young children caused by DEG contamination of propylene
glycol used in the manufacture of a children's medication
http://www.usp.org/pdf/EN/hottopics/2009-01-12-FDALetterPropyleneGlycolSorbitalSolution.pdf
seems the fda allows some deg/eg in propylene glycol.
 

ChipCurtis

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Nov 4, 2009
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Nitrosamines = nicotine + high temperature + acidic environment

BigJim addressed the "nicotine causes cancer" argument. I'll address this one.

You point out there's tobbaco-based nitrosamines in e-cig liquid. SO WHAT? Let's talk about PROPORTIONS here. Tobacco cigarettes contain 4000 chemicals (including nitrosamines) and 60 known carcinogens. E-cig liquid contains propylene glycol, flavoring, and nicotine extract of tobacco leaf (which is where the nitrosamines come from), and just the nitrosamines alone are in MAGNITUDE SMALLER AMOUNTS than in combusted tobacco!!

The whole point being missed here is this: Smokers moving to e-cigs isn't about whether they're completely safe (nothing is), but whether they're safer than cigarettes. Which they, BY MAGNITUDES, are.
 

Kurt

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I really hate misinformed articles like this one, as well as the misinformed comments at the bottom. I posted a few comments to this article, and hopefully clarified a few points.



This is actually true, from what I remember(about DEG being found in e-liquid, but it's certainly not a 'key ingredient'). A certain liquid from one manufacturer was indeed found to have less than 1% diethylene glycol in their ingredients. However, this was an older study by a less-reputable liquid maker, and I'm sure it has been fixed. Unfortunately, the FDA used this report to mislead the public about e-cigarettes:

How and Why The FDA Misled The Public | Electronic Cigarettes by Instead E-Cigarette

And the amount of DEG was within the limits allowed by the FDA. DEG is allowed in small amounts in all food. Combine corporate lobby money with a tragically uneducated public, especially in chemistry, and this is what you get.
 

Kurt

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All that we know is that in this particular study, under these particular conditions, no significant levels of nicotine were detected. I've been smoke free for over two months, and that is due to these wonderful devices. As a result of this study, I've ordered some cotinine tests. I am genuinely curious as to whether I have nicotine in me or not. I'll let you know how it pans out.

There are entire threads devoted to this study. The researcher actually came on here one night to interact with us. He used a brand new atty without removing the primer, put on a cart, and had someone take ten puffs, and they checked blood plasma nic levels. That was it. End of experiment. He fully admitted that he didn't know much at all about the ecig, just took an off-the-shelf NJoy, put it together, and did ten hits. He did learn a lot about ecigs here interacting with us, but it was CNN that decided to spin it into a general statement about all ecigs. He is pretty upset about that, but his study, given what he knew and what the reviewers of the paper knew, was sound...just very uninformed and incomplete.
 
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Kurt

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Not to burst everyone's bubble, but these are actually very possible results.

Nitrosamines = nicotine + high temperature + acidic environment

Of course, you don't see the actually study but they're legit results (although bad ones).

also, nicotine's a "family of cancer-causing nitrogen compounds". Hopefully someone puts out unbiased test results.

Also, the nitrosamines found (in ONE cart) were equal to or less than those found in nic gum or the patch. And they barely within detectable limits.

What we have is the FDA leaving info and details out to scare the hell out of Joe Average, who doesn't know the difference between a ng of nitrosamine, a pound of nitrosamine, and gangstaleen. And if this doesn't work, they will just play the child/candy-flavor card, and when that doesn't work they'll play the antifreeze card, and if that doesn't work they'll have to get real ugly. That's the part that scares me.
 
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