Fish boosts brain power in middle aged menMay 21st, 2009 - 11:56 am ICT by ANI
Washington, May 21 (ANI): Increased levels of vitamin D - synthesised in the skin following sun exposure and found in certain foods such as oily fish - are linked to improved cognitive function in middle-aged and older men, says a new study.
University of Manchester scientists in collaboration with colleagues from other European centres compared the cognitive performance of more than 3,000 men aged 40 to 79 years at eight test centres across Europe.
The study has been published in the Journal of Neurology, Neurosurgery and Psychiatry.
In the study, researchers found that men with higher levels of vitamin D performed consistently better in a simple and sensitive neuropsychological test that assesses an individual’s attention and speed of information processing.
“Previous studies exploring the relationship between vitamin D and cognitive performance in adults have produced inconsistent findings but we observed a significant, independent association between a slower information processing speed and lower levels of vitamin D,” said lead author Dr David Lee, in Manchester’s School of Translational Medicine.
“The main strengths of our study are that it is based on a large population sample and took into account potential interfering factors, such as depression, season and levels of physical activity.
“Interestingly, the association between increased vitamin D and faster information processing was more significant in men aged over 60 years, although the biological reasons for this remain unclear.
“The positive effects vitamin D appears to have on the brain need to be explored further but certainly raise questions about its potential benefit for minimising ageing-related declines in cognitive performance,” the expert added. (ANI)
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