The requirement by the FDA that this black box warning be placed on Chantix is based on the agency's assessment of hundreds of cases of suicides that occurred in patients who had recently been treated with the drug, as well as thousands of cases of other serious adverse neuropsychiatric symptoms associated with the use of Chantix. In making a decision to require a black box warning, the agency takes into consideration the likelihood that the observed association between the drug and the adverse effects is a causal one.

Second, disclosure of conflicts of interest is essential to achieve the public health ethical principle of transparency. Readers have the right to know if there are any relevant conflicts that could be perceived as influencing the objectivity of scientific reports.

In the absence of data demonstrating that flavored electronic cigarettes are serving as a gateway to youth smoking, there is no public health justification for a ban on flavors in electronic cigarettes, and such a measure could cause more public health harm than good.

What it does, sadly, is continue to exaggerate the income disparity between the richest and the poorest in our society. And saddest of all, it forces the poorest in our society to pay for their own benefit programs - programs that should be provided by the government to all citizens.

For these reasons, I believe that electronic cigarettes are a much more viable option as a harm reduction approach for smoking cessation.

Tobacco control advocates have often criticized scientists who were supported by the tobacco industry for failing to disclose their funding or other conflicts of interest, such as being paid to author commentaries critical of tobacco control policies. And rightly so. However, if we now engage in the very same tactics, then we become hypocrites, and our credibility in criticizing tobacco industry "hacks" is shot. We don't have any credibility in attacking "tobacco hacks" if we are "Big Pharma hacks."

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