Question

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Answer 1

Atrophic gastritis, in which your stomach lining has thinned. Pernicious anemia, which makes it hard for your body to absorb vitamin B12. Conditions that affect your small intestine, such as Crohn's disease, celiac disease, bacterial growth, or a parasite. Immune system disorders, such as Graves' disease or lupus.

Answer 2

Answer:

Symptoms of vitamin B12 deficiency

Vitamin B12 deficiencies can lead to megaloblastic anemia, a condition where the bone marrow produces large abnormally shaped red blood cells that do not function properly.

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