role of serotonin

The Role of Serotonin in Your Brain

Serotonin is a neurotransmitter that carries signals between the nerve cells in your brain, as well as between nerve pathways and muscle tissue. The largest concentrations of serotonin in your body will be in your brain, your blood platelets and your digestive tract. For many years, physicians and biochemists have believed that serotonin plays a…