Have you ever wondered if there is a biochemical reason for the way you feel or the kinds of health problems you experience? Neurotransmitters are chemical messengers in the nervous system; they include serotonin, dopamine, norepinephrine (noradrenaline), acetylcholine, glutamate, and gamma-aminobutyric acid a.k.a. GABA. There are over 100 different kinds of neurotransmitters in your [...]