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?

In taking this position, the FDA is virtually on its own. Most scientists and public health practitioners disavowed such crap decades ago, when it was first spewn forth by the old Big Tobacco companies. But now, there are only two entities that are still claiming this nonsense: (1) the FDA; and (2) Stan Glantz (see his to the FDA).

Virtually every electronic cigarette consists of nicotine, PG and/or VG, and flavorings, plus or minus a little water and perhaps citric acid. It is the flavor that makes the brand. In most cases, even the "tobacco"-flavored electronic cigarettes contain flavorings.

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