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Blood markers such as hemoglobin and serum B12 typically improve over weeks to months
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R., Giovannucci, E
This study aims to evaluate the pattern of vitamin B 12 deficiency in a large healthcare system and assess its impact on hospitalizations and associated diseases
B12 is safe on its own, but a few conditions call for extra care, which is why a provider reviews your history before treatment: Leber's hereditary optic neuropathy, a rare inherited eye condition, where certain forms of B12 may be a concern for the optic nerve
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