In a perfect world, it wouldn’t be necessary for me to begin this article by affirming that I am not a supporter of smoking, nor am I a paid shill of the tobacco industry. But in our real world–in which a goodly amount of scientific research grant money is awarded on the basis of sensationalized fearmongering results–those who question the validity of such results are often attacked. “Kill the messenger” is hardly a new phenomenon, having been recorded as early as 442 BC in the play Antigone by Sophocles. That said, let’s proceed to the matter at hand: The overblown...