According to the results from a University of Oxford study, going on a total veggie diet might make you six times more likely to suffer brain shrinkage. The reason is the lack of B12 found in meat, milk and fish. B12 deficiency can also cause anemia and inflammation of the nervous system.
For the study, 107 people between the ages of 61 and 87 underwent brain scans, memory testing and physical exams. The researchers from the Oxford Project to Investigate Memory and Ageing (OPTIMA) also collected blood samples to check vitamin B12 levels. Brain scans and memory tests were also performed again five years later.
The study, published in the journal Neurology, found that people who had higher vitamin B12 levels were six times less likely to experience brain shrinkage compared with those who had lower levels of the vitamin in their blood. None of the people in the study had vitamin B12 deficiency.
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