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The brain's hypothalamus plays a key role in obesity and one of its major complications -- Type 2 diabetes. Nerve cells in the hypothalamus detect nutrients and hormones circulating in the blood and then coordinate a complex series of behavioral and physiological responses to maintain a balance between calories eaten and calories burned. Obesity and diabetes can result when this regulatory mechanism goes awry. Now, research has revealed a molecule in the brain that may contribute to those health problems, both of which are reaching epidemic proportions.
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