Gamma-aminobutyric acid (GABA) is a neurotransmitter, or chemical messenger, in the brain. It has a calming effect by blocking certain signals in the nervous system. The brain produces and responds to ...

The brain is an almost inconceivably complex system of billions of neurons interlinked via trillions of connections that work to coordinate everything you do, think, and feel (Zimmer, 2011). This ...