2010-02-13 08:07:58 UTC
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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 anemia and inflammation of the nervous system.
http://timesofindia.indiatimes.com/articleshow/3480629.cms
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The study concluded: "A switch from beef and milk to highly refined livestock product analogues such as tofu could actually increase the quantity of arable land needed to supply the UK."
The results showed that the amount of foreign land required to produce the substitute products – and the potential destruction of forests to make way for farmland – outweighed the negatives of rearing beef and lamb in the UK.
http://www.telegraph.co.uk/earth/environment/climatechange/7219223/Becoming-vegetarian-can-harm-the-environment.html