[msg]

http://diabetes.niddk.nih.gov/dm/pubs/preventionprogram/

Here's one better. It's a type 2 diabetes study that compared exercise against metformin against a placebo. The conclusions were so overwhelmingly in favor of exercise that the study was stopped early.

[radu_floricica]

This study is about type 2 diabetes. The question here is on the effects of exercise as compared to mind-enhancing drugs.