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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 ...
Pernicious anemia is the most common cause of clinically evident vitamin B 12 deficiency worldwide. [14] Pernicious anemia due to autoimmune problems occurs in about one per 1000 people in the US. Among those over the age of 60, about 2% have the condition. [ 8 ]
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.
Vitamin B 12 deficiencies have a greater effect on young children, pregnant and elderly people, and are more common in middle and lower-developed countries due to malnutrition. [10] The most common cause of vitamin B 12 deficiency in developed countries is impaired absorption due to a loss of gastric intrinsic factor (IF) which must be bound to ...
“A B12 deficiency can cause physical and neurological symptoms, and research is also growing to support that it can also cause psychological issues as well,” says Shapiro. The list of ...
Several factors can cause a person to have classic signs of dementia, including a deficiency in vitamin B12. “Vitamin B12 deficiency can cause cognitive impairment, including impairments in ...
Deficiency may be caused by increased needs of the body for example in those with HIV/AIDS, and shortened red blood cell lifespan. [1] Diagnosis is typically based on blood levels of vitamin B 12 below 148–185 pmol/L (200 to 250 pg/mL) in adults. [2] Diagnosis is not always straightforward as serum levels can be falsely high or normal. [10]
It most usually occurs in postmenopausal women. Vitamin B12 deficiency anemia: E53.8: 13905: Vitamin B12 deficiency anemia occurs when a "lower-than-normal" amount of the vitamin B12 is available within the body, leading to a decreased production of healthy red blood cells. [7] Vitamin B12 deficiency anemia due to intrinsic factor deficiency: D51.0
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