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C. Searching for a Biomarker for Parkinson's Disease
trong>Narrator: This is Science Today. Parkinson's disease is a progressive neurological disorder that results from the degeneration of neurons in a region of the brain that controls movement. Tony Fink, a professor of chemistry and biochemistry at the University of California , Santa Cruz , is studying the molecular basis of the disease how it arises and the various factors that may be involved.

Fink: There are two or three aspects to cure. The first would be to prevent any further progression of the disease. If the disease is identified early enough, patients would in fact be able to live a fairly normal life and if there was no further progression, they'd be basically fine.

Narrator: So, researchers are searching for a biomarker for Parkinson's disease.

Fink: There's significant evidence to suggest that the damage that leads to Parkinson's goes on for a period of years before it becomes apparent there's symptoms. So, if we had a readily available biomarker, we could probably identify potential patients before they have any symptoms.

Narrator: For Science Today, I'm Larissa Branin.