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Alzheimer's Disease vs Parkinson's Disease Comparison

Disease Info

Early Stage	Episodic memory impairment, word-finding difficulties, disorientation to time
Moderate Stage	Progressive aphasia, apraxia, agnosia, behavioral changes
Severe Stage	Complete dependence, loss of verbal abilities, motor decline
Motor Symptoms	Resting tremor, bradykinesia, rigidity, postural instability
Non-Motor Symptoms	Hyposmia, sleep disorders, depression, constipation
Cognitive Decline	May develop into Parkinson's Disease Dementia (PDD) in up to 80% of long-term patients[@aarsland2021]
Databases	OMIM Orphanet ClinicalTrials PubMed

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