Before anyone swears off electronic cigarettes completely (which is not the point of this article by the way) the levels of diacetyl and acetyl propionyl present are higher than the NIOSH standards, BUT they are severely lower than that of regular cigarettes. In terms of getting obliterative bronchiolitis, it is still a lot safer to use electronic cigarettes over regular cigarettes as the diacetyl and acetyl propionyl are much lower, but just because they are lower, we cannot dismiss diacetyl being in our E-Juices immediately. If they flavors do have diacetyl, they should be avoided if possible. In fact, TFA/TPA is coming out with a new line of custard and cream flavors (known as the V2) that contain little to no diacetyl in their flavorings. I am hesitant to believe there aren’t at least traces of diacetyl present as we already know even some fruit flavors have them. But hopefully it will meet the NIOSH standards with their new line. With TFA/TPA spearheading non-diacetyl rich flavorings, it is my hope that other flavoring companies are following the same practice. Electronic cigarettes are becoming increasingly popular every day; the flavoring companies need to meet the demands of the community and avoid diacetyl in their flavorings if possible.

In other words, despite acknowledging that they cannot tell from their study whether e-cigarette use precedes smoking or whether smoking precedes e-cigarette use, they nonetheless draw the conclusion that e-cigarette use precedes smoking.

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