pernicious anemia is treated with injections of vitamin b12 because deficiency can lead to anemia, a type megaloblastic caused by impaired absorption of vitamin B12. This condition affects red blood cell production and may cause fatigue, weakness Vitamin B12 Deficiency - Harvard
Vitamin B12 Deficiency Harvard Health Vitamin B12 Deficiency Anemia: Symptoms, Causes, Treatments Vitamin B12 Deficiency: Symptoms, Causes & Treatment Are Vitamin B12 Shots Right for You?
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