"Dear Professor Glantz, Dr. Dutra:

It the policy were based on health principles, then it certainly would not exempt current employees. Clearly, the hospital doesn't care that much about the health principle, since it will continue to employ smokers with no questions asked.

Dr. Vickerman herself that her results do not in any way indicate that electronic cigarettes are less effective than NRT, stating: "It may be that callers who had struggled to quit in the past were more likely to try e-cigarettes as a new method to help them quit. These callers may have had a more difficult time quitting, regardless of their e-cigarette use."

Anecdotes are in fact data. Of course, what you do with that data and how you interpret it is affected by the nature of how the data were obtained. But anecdotes are data. Remember, the connection between smoking and lung cancer itself was first uncovered by a case series. Physicians started to note multiple cases of lung cancer - which was very rare at the time - all occurring in smokers. While these patients could be called "anecdotes," they were also people who provided very real and important data that led to the discovery that smoking causes lung cancer. That connection would not have been found had these "anecdotes" been dismissed.

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