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Large population studies have shown that unexplained B12 levels above 813 pg/mL are associated with an increased risk of cancer diagnosis within one year, though the absolute risk for any individual is still relatively low
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Vitamin B 12 is crucial for neurologic function, red blood cell production, and DNA synthesis, and is a cofactor for three major reactions: the conversion of methylmalonic acid to succinyl coenzyme A
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Significant recovery was observed in the nasal group compared to the oral group at POD 16 (p = 0.005) and POD 24 (p = 0.003)." Conclusion Intra-nasal vitamin B12 sprays were found to be conducive adjuvants to treat transient neurosensory disturbances following third molar surgery
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