Parkinson’s disease dementia (PDD) is a significant neurodegenerative disorder impacting approximately 20-40% of people with Parkinson’s disease, with prevalence rising as patients age. In the UK, around 145,000 individuals live with Parkinson’s, while in the US, nearly one million are affected, and up to half may develop dementia symptoms. The brain’s progressive decline, particularly in cognitive function, poses immense challenges, and late detection remains a critical barrier to effective treatment and support.
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5. How Does PDD Affect the Brain? Parkinson’s disease dementia (PDD) is characterized by progressive changes in brain structure and chemistry, primarily driven by the accumulation…