Dementia is often believed to be an over 65 problem. Some people develop dementia younger, and it may mean they are more aware of their symptoms.

Psychotic symptoms, like hallucinations or paranoia, can show up in many ways. They can be part of other disorders or not. New research says they may be linked to dementia.

Poor sleep can affect the way the mind works. New research suggests that changes in sleep patterns or quality may be related to dementia.

It may seem normal for elderly people to become confused or forgetful, but this is not usually just "normal aging." Severe confusion can be an indication of delirium.

In a survey, caregivers said they often mistook some symptoms of Alzheimer’s Disease (AD) as normal aging. They thought that the mistake delayed a diagnosis.

HIV-related dementia, known as AIDS dementia complex, can create memory problems and changes in behavior. Scientists are trying to understand how HIV affects the brain.

Computers can provide games and social connections for elderly people. But can using a computer help the mind stay strong?

There is no known way to prevent dementia currently. However, researchers are learning more about ways to possibly slow it down or lessen the risk of the disease.

Although there's nothing that can currently prevent the decline caused by Alzheimer's, it helps to understand the disease. Research reveals that it affects men and women differently.

While the size of your head may not matter so much, the size of your brain does. If parts of your brain get smaller, you may be faced with brain function problems. Diabetes may play a role in this process.