The word ‘dementia’ describes a group of symptoms that includes problems with memory, thinking or language, and changes in mood, emotions, perception and behaviour.
Dementia is not a natural part of ageing. It is caused when the brain is damaged by disease. The most common types of dementia are Alzheimer’s disease and vascular dementia.
This factsheet is for anyone who wants to know more about dementia. It explains what dementia is, its different types, how it affects people (symptoms), and who gets it. It also explains how dementia is diagnosed
and what treatment and support is available.