Vitamin D Helps Maintain Healthy Brain Function
Posted on: Thursday, 21 May 2009, 13:22 CDT
Vitamin D, which comes from exposure to sunlight and from oily fish, is linked to higher mental stability as older people progress in age, according to a new report.
David Lee and colleagues at the University of Manchester studied more than 3,000 European men aged 40-79.
They found that men who had higher levels of vitamin D performed better on memory and information processing tests. The team therefore linked vitamin D to higher cognitive performance.
They also found that the link "was more significant in men aged over 60 years old, although the biological reasons for this remain unclear."
The tests were designed to gauge each participant’s attention and speed of information processing.
"At the population level, we are talking about large numbers of people. If there is a link it could potentially have a significant effect," Lee, whose study appears in the Journal of Neurology and Psychiatry, told Reuters. "It is so easy to rectify with supplementation."
"We were able to take into account their educational level, their depression, their levels of physical activity and measures of physical performance," he said.
"When we adjusted for all these other health and lifestyle factors we still found that there was a link between vitamin D and the cognitive outcome."
Researchers are unsure of how vitamin D helps boost brain power, but they theorize that the vitamin could cause an increase in protective hormonal activity in the brain.
Other ideas claim that vitamin D may increase the level of antioxidants in the brain.
People can increase their vitamin D levels with exposure of 10 to 15 minutes of sunlight, or consumption of oily fish.
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Source: redOrbit Staff & Wire Reports
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User Comments (1)
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Posted by Ted Hutchinson on 05/21/2009, 14:59 The human body uses 5000iu/daily D3. One portion of oily fish contains about 400iu vitamin D 3. Average UK adult vitamin D status is 50nmol/l 20NG each 100iu/d D3 raises status 2.5nmol/l 1NG 400iu/daily (one portion oily fish) can raise status 10nmol/l 4NG 80nmol/l 32NG is the lowest acceptable level as that maximises Bone mineral density. 100nmol/l 40NG enables the active metabolite to work properly 137.5nmol/l=55NG peak muscle performance, best prognosis for breast and other cancers, 150nmol/l 60NG MOST DESIRABLE. breast milk replete with D3 least incidence chronic illness 200NMOL/L 80NG natural high status for those living naked outdoors. There is absolutely no way diet can provide more than 10% of vitamin D requirement. Most UK adults will find 5000iu/d required to attain 55ng. Safe upper limit 10,000iu/daily. |
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