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Higher risk individuals include those with any personal cancer history, strong hereditary cancer syndromes, multiple first-degree relatives with cancer, or those significantly behind on age-appropriate screening
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When appetite suppression from semaglutide or tirzepatide makes eating difficult, prioritize protein above all other macronutrients
2004 Jul;40(1):6-9
Not approved for human or animal use
Without supplementation, deficiency is nearly universal within 23 years People taking metformin long-term metformin use reduces B12 absorption by 1030% through calcium-dependent ileal uptake disruption [4] People taking PPIs or H2 blockers acid suppression impairs B12 release from food proteins
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