Serotonin is like a lubricant for your nerves to easily send messages from nerve centres like the brain and stomach. It’s a critical part of the brain’s group of chemicals that it “soaks” in. We dont really know for certain what it does but studies do seem to suggest a lack of available serotonin affects mood and appetite. So it seems that when a person has healthy serotonin availability the brain is better prepared to send and receive the right messages accurately. Similarly the stomach has an easy time telling the brain if we need calories or hydration. If the serotonin supply is running dry… the system gets a little “corrupted”.
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