Brain infections such as meningitis, HIV, and encephalitis; chronic alcoholism, strokes, and tumors are some of the causes of _____.

A) diabetes
B) tuberculosis
C) dementia
D) diphtheria

Dementia

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

Meningitis

An infection of the protective membranes covering the brain and spinal cord known as the meninges, potentially leading to brain damage or death if not treated promptly.

Encephalitis

An inflammation of the brain, often caused by an infection, that can lead to symptoms such as confusion, seizures, and fever.