neurotransmitter
n.n. a chemical substance in your body that carries messages between your brain cells. It helps your brain control everything from your mood to your movements.
n. a chemical substance that transmits signals across a synapse from one neuron to another. It functions as a messenger within the nervous system to regulate various physiological and psychological processes.
Dopamine is a neurotransmitter that affects how you feel about rewards.
Scientists are studying how certain foods can influence the production of serotonin, a neurotransmitter linked to happiness and sleep.
The imbalance of specific neurotransmitters in the brain is often cited as a primary factor in the development of mood disorders such as depression and anxiety.
From neuro- + transmitter.