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Serotonin Solely in Brain
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A widespread belief that serotonin is primarily, if not exclusively, a neurotransmitter found in the brain, associated with mood.
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What People Remember
People commonly remember serotonin as a chemical found almost exclusively in the brain, primarily influencing mood.
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What's Actually True
While critical for brain function, approximately 90% of the body's serotonin is actually produced and stored in the gut (enterochromaffin cells), where it plays a key role in digestive processes.
Tags
#serotonin#brain#gut#neurotransmitter#hormone
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