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The word dementia describes a set of symptoms that may include memory loss and difficulties with thinking, problem-solving or language. Dementia is caused when the brain is damaged by diseases, such as Alzheimer's disease or a series of strokes.
Read our information on types of dementia including vascular dementia, rarer causes of dementia and how dementia progresses.
For a general overview of dementia, you may wish to read our factsheet, What is dementia?
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