The authors admit this in the paper. They write: "This is a cross-sectional study, which only allows us to identify associations, not causal relationships."

We certainly should not forget Dr. Terry's amazing work in bringing the issue of the health effects of smoking to public light. But at the same time, we must not forget his responsibility in the atrocity that is the Tuskegee study.

The results of the study were as follows: "Manufacturers substituted “Gold” for “Light” and “Silver” for “Ultra-light” in the names of Marlboro sub-brands, and “Blue”, “Gold”, and “Silver” for banned descriptors in sub-brand names."

Ironically, banning the flavors in electronic cigarettes could have the perverse effect of decreasing e-cigarette use but increasing use of real tobacco cigarettes. Hopefully, the FDA will examine this issue closely before taking the advice of anti-smoking groups and advocates, who are already calling for a ban on e-cigarette flavorings.

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