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Then we can see if your vitamin B12 levels seem healthy and determine if injections are needed
doi: 10.1126/science.6823561
History [edit] Descriptions of deficiency effects [edit] Between 1849 and 1887, Thomas Addison described a case of pernicious anemia, William Osler and William Gardner first described a case of neuropathy, Hayem described large red cells in the peripheral blood in this condition, which he called "giant blood corpuscles" (now called macrocytes), Paul Ehrlich identified megaloblasts in the bone marrow, and Ludwig Lichtheim described a case of myelopathy
Impaired activity of methionine synthase results in elevated blood concentrations of homocysteine, while impaired activity of L-methylmalonyl-CoA mutase results in increased concentrations of a metabolite of methylmalonyl-CoA called methylmalonic acid (MMA) in blood and urine
It can, but the evidence is weaker than the label-dose weight-loss evidence
