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The implications of this effect are not well understood

Furthermore, hyperhomocysteinemia is involved in the etiology of migraine (15)

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[9] Visual disturbances have been reported in patients with Leber hereditary optic neuropathy, and rapid B12 administration may precipitate optic nerve atrophy in this genetically predisposed population, mandating extreme caution or alternative therapy

She is an ADAPT-trained Functional Medicine practitioner (Kresser Institute) with more than 30 years of clinical experience