Symptoms of Serotonin 5-HT 24-Hour Urine Test Serotonin, a neurotransmitter primarily found in the gastrointestinal tract, blood platelets, and the central nervous system, plays a crucial role in regulating mood, digestion, sleep, and blood clotting among other physiological functions. The Serotonin 5-HT 24-Hour Urine Test is a diagnostic tool used to measure the levels of […]
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