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Vitamin B12 is important for the body in order to make more red blood cells in the body so a deficiency of this would be crucial. Deficiency in this can also mean a person could be
http://answers.ask.com/Health/Diseases/what_is_b12...
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If you have a vitamin B 12 deficiency it is because you aren't getting enough of it in your diet or because your body isn't absorbing the vitamin well. It means your body isn't getting
http://answers.ask.com/Health/Diseases/what_is_vit...
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The most common cause of a B12 deficiency is not enough of the vitamin in the diet. Many vegetarians are at risk for this deficiency because B12 is primarily found in animal proteins
http://answers.ask.com/Health/Diseases/what_causes...
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The causes of Vitamin B12 deficiency are various and include not eating enough meat or dairy, medical condition such as pernicious anemia. People who are either vegetarians or alcoholics
http://answers.ask.com/Health/Diseases/what_causes...
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