Drinking between three and five cups a day could cut the chance of developing Alzheimer's disease by up to 20 per cent, scientists said.
Nutrition can play an important role in preserving memory and thinking skills, especially during the phase of Alzheimer's disease before symptoms of dementia occur.
This is according to a report published by the Institute for Scientific Information on Coffee, who are funded by major European coffee companies such as illycaffe, Nestlé and DE Master Blenders.
However, experts from leading charities Alzheimer's Research UK and Alzheimer's society today warned the research does not conclusively prove drinking coffee can prevent Alzheimer's, because no clinical trials have been carried out.
The number of cases of dementia is set to triple by 2050, totalling 115.4 million worldwide, and Alzheimer's disease will make up the majority of these cases, according to World Health Organisation predictions.The new report presents new research explaining how diet can affect the development of the disease.
A Mediterranean diet, consisting of fish, fresh fruit and vegetables, olive oil and red wine, has been associated with a reduced risk for development of Alzheimer's disease, it argued.
Research suggests that compounds called polyphenols are responsible for this protective effect; compounds also found in high quantities in coffee.
Other studies cited in the report found regular, life-long moderate coffee consumption is associated with a reduced risk of developing Alzheimer's disease.
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