Vegans and vegetarians are famous, not only for their insufferable moralizing, but also for the bogus claims of better health. It turns out that there's a biological basis for both: their brains are shrinking.
Scientists have discovered that going veggie could be bad for your brain-with those on a meat-free diet six times more likely to suffer brain shrinkage.
Vegans and vegetarians are the most likely to be deficient because the best sources of the vitamin are meat, particularly liver, milk and fish. Vitamin B12 deficiency can also cause anaemia and inflammation of the nervous system. Yeast extracts are one of the few vegetarian foods which provide good levels of the vitamin. Read more
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