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Certain health conditions that affect the gut, like Crohns or celiac disease, can also make absorption a major challenge
Statistical analyses Statistics were performed using SigmaStat Statistical Analysis software (SPSS Inc., Chicago, IL)
But these arent all of the medical reasons and there are also medications that interfere with B12 absorption
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That is the signature of cumulative collagen response: no single dramatic event, just gradual improvement that compounds over time
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