Sci is at Neurotic Physiology today talking about a recent "Prespectives" paper in Nature Reviews Neuroscience on the model of "food addiction". It has pluses and minuses, but does it really exist? I've got a post over there on the evidence for and against, with some suggestions on how to make the model better. Head over and check it out.
The views expressed are those of the author(s) and are not necessarily those of Scientific American.