The Rest of the Story

Here, they find a correlation between e-cigarette use and higher and more sustained levels of smoking. But because this is a cross-sectional study, they cannot determine which came first. In other words, what is the direction of the causal relationship? Does the e-cigarette use precede, and cause, the smoking? Or does the smoking precede, and cause, the e-cigarette use?

But there is another important factor that Glantz is forgetting. In the existing studies, the smokers examined had simply cut down on the amount they smoked without substituting another source of nicotine. Therefore, they were highly likely to be compensating by inhaling much more heavily on the cigarettes that they smoked. In contrast, when dual users of e-cigarettes and cigarettes cut down substantially on their smoking, they are doing so by substituting non-tobacco, nicotine cigarettes. One would expect much less, if any, compensation. Thus, the studies that Glantz cites are not quite as relevant as they would otherwise be.

Well, around midday I started to get groggy and that’s normally when I need my midday “pick me up” so that I don’t fall asleep after lunch. The E-Juice didn’t change this at all; I still felt like I was going to pass out at my cubicle without my coffee or energy drink. Needless to say, I was highly disappointing about the caffeine infused E-Juice as I really did have high hopes for it.

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