Washington: What makes chocolate so irresistible? Scientists have traced the lure of chocolate to a part of the brain called neostriatum, and its production of a natural, opium-like chemical, enkephalin.The findings reveal a surprising extension of the neostriatum`s role, as Alexandra DiFeliceantonio, from the University of Michigan, Ann Arbor and her team made the discovery.DiFeliceantonio notes that the brain region had primarily been linked to movement. And there is reason to expect that the findings in rats can tell us a lot about our own binge-eating tendencies, the jounral "Current Biology" reports.The researchers also found that enkephalin surged when rats began to eat the candy-coated morsels, according to a Michigan statement.
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