About dementia

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In this section, learn more about dementia, including its most common type (Alzheimer's disease), other types of dementia and evidence-based recommendations on preventing and treating the disease.

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What is dementia?

The term "dementia" doesn't actually refer to one, specific disease. Rather, it's an overall term for a set of symptoms that are caused by disorders affecting the brain.

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What is Alzheimer's disease?

Alzheimer's disease is a chronic neurodegenerative disease that destroys brain cells, causing thinking ability and memory to deteriorate over time. Alzheimer's disease is not a normal part of aging, and is irreversible.

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Do I have dementia?

If you're unsure whether you have dementia, this section will help you. Get answers to common questions. Recognize what's a warning sign and what's part of normal aging. Know when it may be time to seek a diagnosis.

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How can I prevent dementia?

The most effective way to prevent Alzheimer's disease and other dementias is to minimize the risk factors and make healthy lifestyle choices that benefit both your body and brain.

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How can I treat dementia?

There are currently no treatments that can reverse cognitive decline brought on by dementia. However, there are approaches you can take that can help you fight symptoms and maintain your quality of life for as long as possible.

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Stigma against dementia

Stigma is one of the biggest barriers for people living with dementia to live fully with dignity and respect. Help us fight stigma by learning more about its effects and taking steps to reduce its impact.

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