Binge eaters' dopamine levels spike at sight, smell of food - 1 views
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thinkahol * on 04 Mar 11ScienceDaily (Feb. 28, 2011) - A brain imaging study at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory reveals a subtle difference between ordinary obese subjects and those who compulsively overeat, or binge: In binge eaters but not ordinary obese subjects, the mere sight or smell of favorite foods triggers a spike in dopamine -- a brain chemical linked to reward and motivation.