Fatty/Sugary Diet Linked to Brain Chemicals Associated With Depression

This Is Your Brain On Fatty Foods by Briana Rognlin.  Blisstree.com.  December 14, 2012.

Could Ending Your Fatty Habit Cause Withdrawal Symptoms and Depression.  Public release by William Raillant-Clark.  December 11, 2012.

Adaptations In Brain Reward Circuitry Underlie Palatable Food Cravings and Anxiety Induced by High-Fat Diet Withdrawal by S. Sharma, M.F. Fernandes, and S. Fulton.  International Journal of Obesity.  December 11, 2012.

In this study mice fed a high-fat diet were more anxious than mice fed a lower-fat diet supporting the conclusion that diet affects brain chemistry.  The study looked particularly at dopamine and CREB which is activated in high-fat diet mice who also have corticosterone, a hormone also associated with stress.  These chemical changes occur before obesity.