Alzheimer’s is a chronic neurodegenerative disorder that causes dementia. About 60% to 70% of dementia cases are because of Alzheimer’s and the other symptoms include behavioral changes, loss of intellectual ability, problems with language and loss of self -motivation.
Parkinson’s disease (PD) is a neurodegenerative disorder characterized by the muscular rigidity, difficulty with movement (bradykinesia or akinesia), tremors and change in body posture.
The incidence of Alzheimer’s disease is increasing than Parkinson’s disease as the world’s population ages.
Thus, the blanks can be filled with Alzheimer’s Parkinson’s.