Serotonin is an inhibitory neurotransmitter. It helps regulate mood, appetite, blood clotting, sleep, and the body’s circadian rhythm. Serotonin plays a role in depression and anxiety. Is a neurotransmitter that participates in the processing of mood? Serotonin. Serotonin is an inhibitory neurotransmitter that is involved in emotion and mood, balancingRead More →