Neurotransmitters are chemical messengers in the body. Their function is to transmit signals from nerve cells to target cells. These signals help regulate bodily functions ranging from heart rate ...

Medically reviewed by Smita Patel, DOMedically reviewed by Smita Patel, DO Neurotransmitters are chemicals involved in nerve ...

Neurotransmitters are vital to your body’s ability to function. Their role is to carry messages from one nerve cell to another cell, which can be another nerve cell, a muscle cell, or a gland cell.

It may help regulate many body functions, including mood, bowel movements, and sleep. Some medications help boost serotonin levels and improve mood. Serotonin is both a neurotransmitter and a hormone.