Apparently, the science no longer matters. You can acknowledge that a study does not allow you to determine the direction of a relationship, but then go ahead and draw such a conclusion anyway. Frankly, this is junk science, and it is just as bad as what we have attacked the tobacco industry for doing in years past.

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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