According to a recent report, the drug increases the activity of an enzyme called AMPK in cells in the part of the brain that regulates eating behavior. AMPK is shorthand for the AMP-activated protein kinase (AMPK). The cells that make up our bodies need a constant supply of energy to function. AMPK is key in regulating cellular energy, and serves as a gas gauge by sensing how much energy a cell has.The study was published in the Proceedings of the National Academy of Sciences.
AMPK's increase was because the antipsychotic drugs were interfering with the important protein histamine.For more, go here.