Alzheimer's disease is the most common cause of ______.

A) dementia
B) schizophrenia
C) autism
D) cerebral palsy

Alzheimer's Disease

A progressive neurological disorder characterized by memory loss, cognitive decline, and personality changes, leading to the inability to perform daily activities.

Dementia

A broad category of brain diseases that cause a long-term and often gradual decrease in the ability to think and remember, significantly affecting a person's daily functioning.

Schizophrenia

A chronic and severe mental disorder that affects how a person thinks, feels, and behaves, often involving delusions and hallucinations.