Megan Johnson McCullough…Serotonin is a chemical found in the brain, blood platelets, and mainly in the digestive system (up to 90%). Its scientific name is 5-hydroxytryptamine, or 5-HT. This chemical is a neurotransmitter that delivers messages between our nerve cells. Most of our 40 million brain cells are communicating with serotonin. It is derived from […]
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