The eyes may have it, an early sign of Parkinson's disease

rephrased article: Researchers have identified a potential early indicator of Parkinson's disease, which affects motor control and coordination.

rephrased article:

Researchers have identified a potential early indicator of Parkinson's disease, which affects motor control and coordination.

A study has found a link between thinning of the retina and the loss of brain cells responsible for movement.

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