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Study finds small colony of neurons modulate amount of insulin the pancreas produces.

The brain is the key regulator of appetite, body weight and metabolism. Specifically, there is a small group of hypothalamus neurons, named the Proopiomelanocortin neurons (POMC), which can detect and integrate signals which inform on the energy state of the organism to activate the appropriate physiological responses. These neurons are sensitive to fluctuations in nutrients such as glucose, fatty acids

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