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Scientists say this brain network may explain range of Parkinson's symptoms

NPR | By Jon Hamilton
Published February 4, 2026 at 2:20 PM PST

Parkinson's disease can affect sleep, thinking and smell, as well as movement. A new study may explain why.

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All Things ConsideredHealth
Jon Hamilton
Jon Hamilton is a correspondent for NPR's Science Desk. Currently he focuses on neuroscience and health risks.
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