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Published on: May 5, 2012
by Healthy Eating Fact
Efficacy of vitamin D and E not only to maintain bone strength and maintain the beauty of skin, but both of these vitamins can also strengthen the brain health, prevent dementia, and even protect against Parkinson’s disease.
It has been shown in three recent studies, although these studies still require further assessment to verify the findings.
In the first study, a team of British researchers link between low levels of vitamin D with risk of dementia, whereas a study conducted by Dutch scientists found that those who on a diet rich in vitamin E, can strengthen the brain health and lower the risk of dementia, including Alzheimer’s.
And in the third study conducted by researchers from Finland, they found an association between high levels of vitamin D in the blood with a lower risk of Parkinson’s disease.
In the first study published in the Archives of Internal Medicine, a team of researchers led by David J. Llewellyn from the University of Exeter in England found that among 858 elderly people, those who in their blood does not contain lots of vitamin D would be susceptible to dementia.
In fact, those who are in their blood containing vitamin D less than 25 nanomoles per liter, has a chance to experience a decline in thinking ability, learning and recall by 60%, during the study that lasted six years.
In addition, they have a chance of 31% more likely to score low on tests that measure brain function compared with those who have sufficient levels of vitamin D in their blood.
“Lately, more and more people who take vitamin D supplements, because of the assumption that this vitamin can reduce the risk of many diseases,” said Dr. Andrew Grey, a lecturer of medicine at the University of Auckland, New Zealand.
In the next study, which linking vitamin D with brain health, a team of researchers led by Paul Knekt and his colleagues at the National Institute for Health and Welfare in Helsinki, Finland, found that those with higher levels of vitamin D serum, found that those with serum of vitamin D levels higher they have less possibility to get Parkinson’s.
In his study, Knekt and colleagues collected data from about 3,200 men and women in Finland, aged between 50 years to 79 years, who did not have Parkinson’s disease when the study began.
In the observation for 29 years, 50 people were affected by Parkinson’s. The research team calculated that those with the highest levels of vitamin D, has a risk for Parkinson’s by 67% lower than those with the lowest vitamin D levels.
In the third study published in Archives of Neurology, they found evidence that eating foods rich in vitamin E may help prevent dementia and Alzheimer’s. These foods include margarine, sunflower oil, butter, vegetable oil and soybean oil.
In the study led by Elizabeth E. Devore from Erasmus Medical Center in Rotterdam, Netherlands, they collect data on the diet by about 5,400 people aged 55 years or older who are not suffering from dementia between 1990 to 1993. In research for 9.6 years, 465 people developed dementia, and 365 people diagnosed with Alzheimer’s.
Team of Devore said that those who eat lots of vitamin E (a third of all participants) have the opportunity to develop dementia 25% smaller compared with those who consume little of vitamin E.
“The brain is a region with high metabolic activity, which makes it susceptible to oxidative damage, and slow accumulation from the damage for many years can lead to dementia,” They also added that vitamin E is a powerful antioxidant that may help inhibit the pathogenesis of dementia.
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