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Monday, May 11, 2015

Nutrition: 4 Vitamins That Strengthen Older Brains



Higher blood levels of omega-3 fatty acids, vitamin B, vitamin C, vitamin D and vitamin E are associated with better mental functioning in the elderly, a new study has found.

Researchers measured blood levels of these nutrients in 104 men and women, whose average age was 87. The scientists also performed brain scans to determine brain volume and administered six commonly used tests of mental functioning. The study is in the Jan. 24 issue of Neurology.

After controlling for age, sex, blood pressure, body mass index and other factors, the researchers found that people with the highest blood levels of the four vitamins scored higher on the cognitive tests and had larger brain volume than those with the lowest levels.

Omega-3 levels were linked to better cognitive functioning and to healthier blood vessels in the brain, but not to higher brain volume, which suggests that these beneficial fats may improve cognition by a different means.

Higher blood levels of trans fats, on the other hand, were significantly associated with impaired mental ability and smaller brain volume

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