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And this isn't a small risk
Key risk factors of vitamin B12 deficiency include: Decreased ability to absorb vitamins as a result of low hydrochloric acid secretion Certain medications Gastrointestinal disease and surgeries Vegans are also at a higher risk of vitamin B12 deficiency Can You Have Too Much Vitamin B12
10.1034/j.1600-0609.2003.00075.x 201
For these reasons, a comprehensive understanding of the disease, as well as the search for new predictive/diagnostic/prognostic tools, is highly desirable
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