"Smoking is not uniformly more hazardous than simply taking an exam."

This argument is fallacious, I believe, because there are many things that changed from one cohort to the next. The introduction of cigarette filters is only one such change. To assume that any observed changes in cancer risk from one cohort to the next must be attributable to one particular change - the filter - is not appropriate, in my view.

The Rest of the Story has that we lied to the American public by telling them that electronic cigarettes are every bit as harmful as smoking, and has ordered us to make this statement. Here is the truth:

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