Researchers have linked specific vitamins and nutrients in the diet with cognitive performance and the risk of Alzheimer’s disease.
The research, published in the journal Neurology, showed that people with healthier diets — rich in omega-3 fatty acids and a variety of vitamins — had bigger brains and better cognitive function than those whose diets were unhealthier on the whole.
Many previous surveys of people have found that those who report diets high in vitamin E and omega-3 fatty acids have slower rates of cognitive decline, compared with people whose diets are lower in these nutrients.
The team found that people who had higher blood levels of vitamins B, C, D and E and omega-3 fatty acids scored higher on the mental-function tests, including attention tasks and visual and spatial skills, than those with lower levels of these nutrients. People who had higher levels of trans fats in their blood, by contrast, scored lower on these tests.
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