Study links insulin resistance to lower dopamine release

06/13/2013 | FoodNavigator

Insulin-resistant patients showed lower-than-normal dopamine release in response to glucose compared with healthier controls, a study presented at the SNMMI Annual Meeting indicated. "We suggest that insulin resistance and its association with less dopamine release in a central brain reward region might promote overeating to compensate for this deficit," said lead researcher Dr. Gene-Jack Wang of Stony Brook University in New York. Researchers used PET to monitor the brains of 10 healthy patients and nine patients with insulin resistance.

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