Dr. Farsolinos’s study also measured the safety limits of the E-Juices that contained diacetyl and acetyl propionyl. Using the NIOSH (National Institute for Occupational Safety and Health) guidelines, it was found that both diacetyl and acetyl propionyl were found to have more than double times the NIOSH safety guidelines. It is worth nothing however that both diacetyl and acetyl propionyl are found in regular cigarettes. However, the levels of concentration in regular cigarettes are a 100 times more for diacetyl and ten times more for acetyl propionyl than the E-Juices that were tested. Considering obliterative bronchiolitis is not a known disease among smokers (even the heavy pack a day smokers) we can assume that even at double the NIOSH standards the levels of diacetyl and acetyl propionyl are not fatal. This is just an assumption much more research of the effects of diacetyl and acetyl propionyl are needed before making a clear judgment.

The Rest of the Story

Even if e-cigarette vapor shows some toxicity in cell culture studies, how does that demonstrate that vaping is more harmful than smoking?

There are two major aspects of the deeming regulations that deal a devastating blow to the public's health:

Well, Polosa et al. have conducted exactly such a . They examined the changes in asthma symptoms among smokers who continue to smoke versus those who switch to electronic cigarettes. These investigators reported that in contrast to real cigarettes, the fake ones result in actual harm reversal. Lung function, asthma control, and asthma symptoms were significantly improved among patients who switched from regular cigarettes to electronic cigarettes. These improvements were even observed among patients who became dual users of both real and fake cigarettes.

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