The problem is that in this cross-sectional study, there is no way to determine the direction of the observed relationship.

Last week, I revealed that Americans for Nonsmokers' Rights (ANR) is making on its web site about electronic cigarette companies, claiming that all of them are owned by Big Tobacco and that Mistic, in particular, is a tobacco-owned company that is distributing misinformation based on a Harris Interactive survey it commissioned.

Sometimes, reality isn't what it seems. And once in a rare while, it is exactly the opposite. That is the case in today's Rest of the Story.

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