The brain is the key regulator of appetite, body weight, and metabolism, controlling the passage of every nutrient that enters and exits the body. Specifically, there is a small group of hypothalamus neurons, named the Proopiomelanocortin neurons (POMC) capable of detecting and integrating signals to activate the appropriate physiological responses. These neurons are sensitive to fluctuations in nutrients such as glucose, fatty acids, and amino … Continue reading Study finds small colony of neurons modulate amount of insulin the pancreas produces.