The most common cause of dementia is

Question

Quizplus · Accepted Answer

The most common cause of dementia is degenerative brain disease, specifically Alzheimer's disease, which accounts for 60-80% of dementia cases. Other types of degenerative brain disease include Lewy body dementia and frontotemporal dementia. Intracranial tumors and severe or repeated head injury can cause dementia, but these are less common causes. Drug toxicity can cause cognitive impairment, but typically does not lead to dementia.

The Most Common Cause of Dementia Is