What is serotonin ?

What is it for?
Answers:
Here you go:
"In the central nervous system, serotonin plays an essential role as a neurotransmitter in the modulation of anger, aggression, body temperature, mood, sleep, human sexuality, appetite, and metabolism, as well as stimulating vomiting.[1]

Serotonin have broad activities in the brain, and genetic variation surrounded by serotonin receptors and the serotonin transporter, which facilitates reuptake of serotonin into presynapses, have been implicated within neurological diseases. Drugs targeting serotonin-induced pathways are being used within the treatment of many psychiatric disorders, and one focus of clinical research is the influence of genetics on serotonin action and metabolism within psychiatric settings. Such studies have revealed that the variation in the promoter region of the serotonin transporter protein accounts for nearly 10% of total variance contained by anxiety-related personality,[2] and the effect of this gene on depression was found to interact with the environment.[3]"

Hope that help you! :) Source(s): Wikipedia!

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