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How a once-controversial idea is advancing understanding of Parkinson’s disease

Published: 11/04/2026, 12:00 AM

Rachel Nuwer is a freelance writer based in New York City. Search author on: PubMed Google Scholar This article is part of Nature Outlook: Parkinson’s disease, a supplement produced with financial support from Aspen Neuroscience, Inc. Nature maintains full independence in all editorial decisions related to the content. About this content. Braak, H. et al. Neurobiol. Aging 24, 197–211 (2003). Article PubMed Google Scholar Article PubMed Google Scholar Borghammer, P. & Van Den Berge, N. J. Parkinsons Dis. 9, S281–S295 (2019). Menozzi, E. et al. Nature Med. 32, 2096–2106 (2026). Article PubMed Google Scholar Bruggeman, A. et al. EClinicalMedicine 71, 102563 (2024).