If there were any evidence that electronic cigarettes inhibit, rather than enhance smoking cessation, I too would join Dr. Glantz's camp and oppose electronic cigarettes. But such evidence does not exist. Not a shred of it so far. Not a single study suggests that electronic cigarette use results in lower quit rates than what would occur in the absence of electronic cigarette use among smokers who try these products.

The purpose of the experiment was to determine whether manipulation of an individual's Facebook news feed by blocking either positive or negative emotional content could affect the mood and emotional expression of that person. In short, the experiment sought to determine whether emotion is "contagious."

Incidentally, it is just not true that the plural of anecdote is not data. In fact, a single anecdote is "data." One of the most basic study designs in epidemiology is something called a "case study." That is the "anecdote" about a single individual. The next basic design is a "case series," which is simply a number of "anecdotes."

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