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What causes dementia?

There are several types of dementia and each type may be associated with a different cause, including: 1) Alzheimer's disease, the most common type of dementia. For most people who develop this type, the cause is not yet known. 2) Vascular dementia, which is caused by a reduced blood supply to the brain due to a stroke. 3) Lewy body dementia, which is caused by ta build-up of specific proteins in the brain's neurons. Nutritional deficiencies, such as low levels of vitamin B12 or abnormal thyroid levels, may also cause some cases of dementia.

FAQ Frequently asked questions

What is dementia?

Dementia is a permanent decline in brain function, which commonly affects memory and thinking.

What are the symptoms of dementia?

There are several types of dementia and there can be different stages associated with each type, so the symptoms can vary. Some of the more common symptoms may include some of the following: persistent and frequent memory loss; difficulties in …

Who gets dementia?

Dementia is more common in the older population, but is not a normal part of the ageing process. Most people with dementia are over 65 years of age. Although it is more common in the older population, younger people may also experience dementia.

How is dementia diagnosed?

Dementia is not diagnosed by a single test. To help make an accurate assessment, a detailed history is taken and cognitive testing is undertaken to measure and evaluate memory, concentration, problem-solving and language skills. Laboratory tests may be carried …

How is dementia treated?

If the dementia is due to a thyroid imbalance, or nutritional deficiency, medication and dietary changes can help recovery. If the dementia is due to another condition such as Alzheimer's disease, Parkinson's disease or Huntington's disease, the condition cannot be …

Can dementia be cured?

Most causes of dementia cannot be cured. If the dementia is due to a hormone imbalance or nutritional deficiency, medication and dietary changes may help a full recovery.

Can dementia be prevented?

The most common types of dementia is Alzheimer's disease. Although there is no known prevention, you can reduce your likelihood of developing this condition by: maintaining heart health; stopping smoking; avoiding excessive consumption of alcohol; maintaining a …

What is the outlook for dementia?

There is yet no cure for dementia. the condition will gradually get worse, until the complications of this condition lead to its terminal stages.

How common is dementia?

Dementia is most common in the older population (over 65 years of age), It is one of the leading causes of death and disability for this age group.

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About this article

Author: Dr Nikki Wallis PhD, BSc
First answered: 27 Nov 2014
Last reviewed: 19 May 2018
Rating: 4.3 out of 5
Votes: 373 (Click smiley face below to rate)
Category: Alzheimer’s disease

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