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Patients who attribute all their hair loss to B12 and take supplements without investigating androgenetic alopecia often delay the treatment they actually need." This guide explains the mechanism, who's at risk, how to restore levels, and when B12 is and isn't the answer

established a modified DTT technique that requires lower DTT concentrations, is less time-consuming, and appears to avoid denaturation of Kell antigen [52]

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Subacute combined degeneration of the spinal cord from untreated B12 deficiency causes demyelination of the posterior and lateral columns, leading to permanent weakness, balance impairment, and sensory loss