Vital to our bodies, preproglucagon otherwise known as GCG peptides act in both the periphery and the CNS to change food intake, glucose homeostasis, and metabolic rate. Although the actions of GCG peptides produced in the gut and pancreas are well described, the role of GGC peptide–secreting neurons in regulating metabolism has not been investigated.  Now, a study from the University of Virginia investigates how … Continue reading Neurons successfully regulate appetite and glucose levels in mice.