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Vitamin B12, or cobalamin, is a water-soluble vitamin that plays an essential role in every cell in the body, including red blood cell formation, nerve function, protein and fat metabolism, and DNA production (molecules that carry genetic information)
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Badenhorst T, Svirskis D, Merrilees M, Bolke L, Wu Z
It is entirely valid to feel overwhelmed by the sheer complexity of these illnesses and the lack of simple, definitive answers from the traditional medical establishment
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![Melanotic macules of the penis]](https://figures.semanticscholar.org/ae2554a54859f97ee8ad0b2b3a8aa50b96bcb2c2/1-Figure2-1.png)
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