Earliest signs of Parkinson’s disease uncovered in brain, scientists say

Scientists may have discovered the earliest warning signs of Parkinson’s disease in the brain.

Changes to the serotonin system – which relays messages across the brain – appear to occur years before patients show any visible symptoms, a new study suggests.

The findings, published in journal The Lancet Neurology, could lead to new methods of identifying individuals at a high risk of developing Parkinson’s disease.

It has previously been suggested that the neurodegenerative condition, which causes involuntary shaking and slow movement, was linked to changes in the dopamine system.

This study is…
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