When I went through my medical training, I learned that diet has little to do with acne.  My professor and several other clinical doctors who were out mentors said that even though greasy foods, chocolate, processed sweets were suspected be contributors to acne -- no studies had proven it.

Now, in the year 2008, it seems medicine is revisiting this discussion and some studies seem to suggest that a diet high in glucose load (highly processed carbohydrates) and low fiber/high saturated fat...