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One of our patients with an autoimmune disease had difficulty walking down the stairs due to joint stiffness and reduced blood flow
doi: 10.3390/biomedicines9070744
Vitamin B12 deficiency has been associated with peripheral neuropathy and even cognitive deficits, especially in older adults and those with HIV/AIDS, where it supports nerve function and assists in the maintenance of myelin sheath integrity
Severe deficiency can lead to conditions like rickets in children and osteomalacia in adults
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