Parkinson’s disease symptoms: The subtle warning sign on your thumb – Express

Parkinson’s disease symptoms: A slight shaking or tremor in your thumb is a sign (Image: Getty Images)

Parkinson’s disease (PD) is a progressive nervous system disorder that cannot be cured, although the sooner it is picked up the better. Steps can be taken to slow down its progression, helping a person with Parkinson’s to maintain quality of life for as long as possible. The symptoms of Parkinson’s are mainly related to movement because it leads to a reduction in a chemical called dopamine in the brain.

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