Scientists have produced more evidence that vitamin D has an important role in keeping the brain in good working order in later life.
A study of over 3,000 European men aged 40-79 found those with high vitamin D levels performed better on memory and information processing tests.
The research team from University of Manchester believes the vitamin may protect cells or key signalling pathways in the brain. This follows research published in January which suggested that high levels of vitamin D can help stave off the mental decline that can affect people in old age.
The study focused on men from eight cities across Europe where their mental agility was assessed using a range of tests, and samples were taken to measure levels of vitamin D in their blood. Men with high vitamin D levels performed best, with those who had the lowest levels - 35 nmol/litre or under - registering poor scores.
The researchers stressed that many people, particularly in older age, were vitamin D deficient.
Therefore, if it were possible to stave off the effects on ageing on the brain with vitamin D supplements the implications for the health of the population could be significant.
[Source]
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Chapter: Vitamins ::
8 July 2009
