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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.

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Author: Dr Nikki Wallis PhD, BSc
First answered: 27 Nov 2014
Last reviewed: 19 May 2018
Rating: 4.8 out of 5
Votes: 379 (Click smiley face below to rate)
Category: Alzheimer’s disease

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