Studies show that the brain’s serotonin system differs slightly between men and women. While men’s serotonin levels are a little higher than women’s, research also shows that women have lower levels of the protein that transports serotonin back to the neurons that secrete it.
Experts believe that this may be one reason why women are more prone to depression than men.Serotonin is manufactured by the brain from the essential amino acid l-tryptophan.
Cells that make serotonin combine tryptophan with tryptophan hydroxylase, a chemical reactor, to form 5-hydroxytryptamine — what you and I know as serotonin.
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