|Brain imaging showing loss in serotonin function as Parkinson's disease progresses |
Source: Neurodegeneration Imaging Group, King's College London
Researchers from King's College London found damage to the brain's serotonin system was an 'excellent marker' for the cruel disease.
Experts have hailed the findings, branding them 'fascinating' and saying they help to fit a 'crucial gap' in the knowledge of the condition.
Parkinson's takes hold in the brain years before patients notice symptoms, which include tremors and slow movement.