by James Gallagher, BBC News, 5 December 2013
The number of people living with dementia worldwide is set to treble by 2050, according to a new analysis.
Alzheimer's Disease International says 44 million people live with the disease, but that figure will increase to 135 million by 2050.
The figures were released ahead of the G8 dementia summit in London next week.
In the UK, dementia research receives one eighth of the amount of funding that is spent on cancer, which charities say is insufficient.
What is dementia?
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