Melatonin Levels in Parkinson’s Patients May Be Linked to Non-motor Symptoms – Parkinson’s News Today

Alterations in the levels of melatonin — the hormone that controls sleep-wake cycles — circulating in the blood are associated with certain non-motor symptoms of Parkinson’s disease, namely sleep disturbances, gastrointestinal issues, and heart problems.

The study with that finding, “Elevated Plasma Melatonin Levels Are Correlated With the Non-motor Symptoms in Parkinson’s Disease: A Cross-Sectional Study,” was published in the journal Frontiers in Neuroscience.

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