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Parkinson disease

The controversy of levodopa toxicity in Parkinson disease

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In the past two decades, there has been concern that levodopa—the gold-standard therapy for Parkinson disease (PD)—may be toxic to dopaminergic neurons. However, findings from a recent study suggest that chronic use of levodopa does not enhance progression of PD pathology. Can we make sense of this controversy?

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Zesiewicz, T. The controversy of levodopa toxicity in Parkinson disease. Nat Rev Neurol 8, 8–10 (2012). https://doi.org/10.1038/nrneurol.2011.199

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