Linked from
The 27 pages that link to Neurodegeneration, each with the reason it gives.
PrionNarrower topic: Prion diseases damage the nervous system as abnormal proteins accumulate.
NeurologyRelated: Many causes and progression patterns remain difficult to predict or halt.
BrainRelated: Why particular brain cells progressively fail is still incompletely understood.
Cockayne syndromeRelated: Neurological deterioration is a defining part of the syndrome's course.