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Biological test detects Parkinson’s disease before symptoms present
Closeup of a pipette and a tray of vials held by a gloved hand.

Image: Courtesy of Penn Medicine News

Biological test detects Parkinson’s disease before symptoms present

Penn Medicine research shows this test can detect a build-up of abnormal protein deposits linked to Parkinson’s disease in cerebrospinal fluid.

Kelsey Geesler