yes. it's one of the reasons I am morbidly obese (over 400) My nerves are fried or depressed to all hell and I'll eat a whole large pizza and bread sticks or get chinese and down large shrimp lo mein, large beef and broccoli, 3 eggs rolls and a small egg drop/wonton soup. the dopamine is nice as I tried to get it in other ways. I used to exercise but all it did is make me irrationally angry and even more hungry! my diet is very poor. I don't like sweet stuff though except for the occasional mexican coke (better than the HFCS version by far). a part of me is hoping to pass by 50 and at this weight at 42. who knows. I may die by then.