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Its near-ubiquitous cellular presence makes it a uniquely systemic research subject
Reduced secretion of gastric acid and pepsin, from the use of H 2 blocker or proton-pump inhibitor (PPI) drugs, can reduce the absorption of protein-bound (dietary) vitamin B 12 , although not of supplemental vitamin B 12
A 2013 population-based cohort study published in the Journal of the National Cancer Institute (Arendt et al.) analyzed data on 757,185 individuals in Denmark
Hair loss has many possible causes, but if your hair loss is linked to a vitamin B12 deficiency, you can restore hair growth by increasing your B12 levels
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