Columbia University Irving Medical Center Ask any neurologist: Parkinson's disease is a brain disorder. The conspicuous symptoms of Parkinson's disease-uncontrollable tremors, slowed down motions, and the feeling that one's feet are stuck to the ground-all stem from the loss of neurons in a region of the brain that helps control movement. But many researchers believe that the neurodegenerative disorder may get started far away from the brain-in the gut-and years before the first neurological signs appear.

https://www.miragenews.com/study-adds-to-evidence-that-parkinsons-starts-1068341/

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