Higher blood levels of vitamins B, C, D and E, as well as omega-3 fatty acids areer low linked to better mental functioning in older people, a recent study has claimed.
Researchers have discovered that elderly people with the highest levels of all four vitamins had a higher brain volume and scored better on cognitive tests than those whose levels were lower.
Levels of omega-3 fatty acids have also been linked to healthier blood vessels in the brain and better cognitive functioning, although not to higher brain volume, which suggests that cognitive is improved by these beneficial fats in a different manner.
On the other hand, higher levels of trans fats are significantly associated with smaller brain volume and impaired mental ability.However, the study could not determine whether taking supplements of these nutrients would actually result in a decreased risk of developing dementia.
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