A new study is to investigate possible links between diet and Alzheimer's disease.
The Alzheimer's Society will carry out research to look at the side-effects of food and drink such as fruit juice, red wine and oily fish on the incidence of the condition.
It will analyse new and existing data to discover if a "Mediterranean-style" diet could reduce the risk of developing Alzheimer's.
The BBC reports that the charity predicts dementia will affect almost one million people by 2020.
The Mediterranean diet – rich in fruit, vegetables and cereals with some fish and alcohol and very little dairy and meat – has been generally viewed as good for health for some time.
Neil Hunt, chief executive of the Alzheimer's Society, said there seems to be evidence that it could be "extremely beneficial".
He added: "Nothing is going to guarantee cures or prevention of dementia, but we do think there probably are things that people can do to reduce their chances of getting these bad illnesses."
The Alzheimer's Society
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