Definition:
A neurotransmitter is a chemical that serves as a messenger between nerve cells, allowing them to communicate with each other.
A neurotransmitter is a chemical that serves as a messenger between nerve cells, allowing them to communicate with each other.
Research has shown that nicotine increases the level of dopamine, a neurotransmitter responsible for feelings of pleasure and well-being in a smoker's brain.
See also: Nicotine Addiction 101
