NW Parkinson's Foundation - Nerve damage, or neuropathy, in Parkinson's might be due to a lack of B12 & B6 due to " high daily doses of levodopa or similar medications" Read
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PDF) Relationship of Cerebrospinal Fluid Vitamin B12 Status Markers With Parkinson's Disease Progression
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Association between neuropathy and B‐vitamins: A systematic review and meta‐analysis - Stein - 2021 - European Journal of Neurology - Wiley Online Library
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