Grand Rapids (WZZM) - Parkinson's Disease affects millions of people in this country.
Research done here in Grand Rapids could lead to a new blood test to diagnose the disease.
Dr. Sok Kean Khoo with the Van Andel Institute talks more about the discovery.
Click on the video link to watch the segment. Click here to learn more about Parkinson's Disease. Click here to learn more about the Van Andel Institute.