- The term 'dementia' describes several symptoms which include loss of memory, mood changes and problems with communicating.
- Dementia occurs when the brain is damaged by certain diseases, including Alzheimer's disease and damage caused by a series of small strokes.
- Dementia is progressive and the symptoms gradually get worse. The progression depends on the individual person and what type of dementia they have.
- Dementia affects 800,000 people in the UK and it mainly affects people over the age of 65.
- However, it can affect younger people as there are over 17,000 people in the UK under the age of 65 who have dementia.
More top news
Did the International Space Station take a wrong turn?
The wife of a British aid worker held by Islamic State militants has recorded a message to his captors appealing for his life to be spared.
Even if you're having a tough day in the office, it's unlikely to be as difficult as the one facing the director of the US Secret Service.