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.

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.

5. In 2009, Senator Rockefeller sponsored and supported legislation that protected menthol cigarettes by exempting them from the flavored cigarette ban in the Family Smoking Prevention and Tobacco Control Act.

In other words, while the policy allows Facebook to collect and use user information for research purposes, it does not allow Facebook to conduct interventions in which it manipulates feeds shared with users in order to try to control their emotions as part of a research experiment.

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