High-carb diets lower weight and raise mood levels, study shows

"Both groups lost an average of 30 pounds, slightly more than in most studies of this type. And in early weeks of the study, both groups showed an improvement in mood.

However, although mood improvements remained in the high-carb group, they went back to original levels in the low-carb group."

http://www.latimes.com/news/nationworld/nation/la-sci-diet-mood10-2009nov10,0,6834297.story?track=rss