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What causes confusion, indifferent mood and problem behavior? 3 possible conditions

See a list of possible causes in order from the most common to the least.

1

What is Alzheimer's Disease?

Alzheimer's disease (AD), the most common cause of dementia, is a progressive brain disorder. Learn about the causes, signs and research being done about AD.

Read more »

2

Dementia Overview

Find out what you need to know about dementia, and learn how it's different from ordinary aging.

Read more »

3

Encephalitis

This condition is considered a medical emergency. Urgent care may be required.

Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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