👉 In the context of medicine and psychology, a "neurochemical" refers to substances or chemicals that are involved in regulating and interacting with the body's systems. These include neurotransmitters such as dopamine, serotonin, norepinephrine, and glutamate, which play crucial roles in various aspects of behavior, mood, and cognition. Neurochemicals can be divided into different categories based on their chemical structure or function: acetylcholine (ACh), serotonin, norepineph
