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Lack of vitamin B12 can cause megaloblastic anemia—a condition characterized by larger than normal red blood cells in a smaller than normal amount. This causes fatigue, paleness in the skin ...
Vitamin B 12 deficiency is one of the main causes of anemia. [16] In countries where B 12 deficiency is common, it is generally assumed that there is a greater risk of developing anemia. However, the overall contribution of vitamin B 12 deficiency to the global incidence of anemia may not be significant, except in elderly individuals ...
Causes of vitamin B12 deficiency. There are a few reasons why someone might develop a vitamin B12 deficiency. Following a vegan diet for years is a big one, says Deborah Cohen, ...
B12 is crucial for many important functions, and, with a few exceptions, the only way to get it is through animal-based foods or B12 supplements. “Vitamin B12 is an essential water-soluble ...
[6] [15] [26] Vitamin B 12 deficiency can also cause symptoms of mania and psychosis. [27] [28] Among other problems, weakened immunity, reduced fertility and interruption of blood circulation in women may occur. [29] The main type of vitamin B12 deficiency anemia is pernicious anemia, [30] characterized by a triad of symptoms:
Nutritional causes are vitamin and mineral deficiencies and non-nutritional causes include infections. The number one cause of this type of anemia, however, is iron deficiency. [12] An insufficient intake of iron, Vitamin B12, and folic acid impairs the bone marrow function.
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