Serotonin Levels Linked to Iron Buildup in Dopamine Brain Region

Serotonin Levels Linked to Iron Buildup in Dopamine Brain Region

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Serotonin Levels Linked to Iron Buildup in Dopamine Brain Region

Low levels of the hormone serotonin in the bloodstream of people with Parkinson’s disease were associated with a buildup of iron in the substantia nigra — the brain region most damaged in this disorder, a study reveals for possibly the first time. Researchers found this serotonin-iron relationship was primarily seen in early disease stages, was linked to a common set of clinical assessments, and was strongly associated with the use of medications to treat anxiety…

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