Question

Which disease accounts for 70% of all dementia?

delirium
Alzheimer disease
impaired memory
fecal incontinence

Answer 1

Alzheimer's disease is the primary cause of 70% of all dementia cases, with key symptoms such as memory loss and confusion, and it is characterized by specific brain abnormalities.

Step-by-step explanation:

Alzheimer's disease accounts for 70% of all dementia, making it the most common cause. Symptoms of Alzheimer's disease include disruptive memory loss, confusion about time or place, difficulty planning or executing tasks, poor judgment, and personality changes. Alzheimer's disease was named after Alois Alzheimer, who discovered the disease's characteristic amyloid plaques and neurofibrillary tangles, with loss of neurons in the hippocampus being especially severe.