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28 cze 2024 · Vitamin B-12 (cobalamin) plays an essential role in red blood cell formation, cell metabolism, nerve function and the production of DNA, the molecules inside cells that carry genetic information. Food sources of vitamin B-12 include poultry, meat, fish and dairy products.
7 lut 2024 · Vitamin deficiency anemia is a lack of healthy red blood cells caused by lower than usual amounts of vitamin B-12 and folate. This can happen if you don't eat enough foods containing vitamin B-12 and folate, or if your body has trouble absorbing or processing these vitamins.
1 sie 2024 · What causes vitamin B12 deficiency? Vitamin B12 deficiency happens if you aren't eating enough vitamin B12 or your body isn't absorbing the vitamin B12 you consume properly. Situations or conditions that can cause vitamin B12 deficiency include:
10 wrz 2024 · Malabsorption: Parietal cells in the stomach produce intrinsic factors; therefore, any patient with a history of gastric bypass surgery may be at risk for developing a B12 deficiency because their new alimentary pathway bypasses the site of intrinsic factor production.
Key Points. Dietary vitamin B12 deficiency usually results from inadequate absorption, but deficiency can develop in vegans who do not take vitamin supplements. Deficiency causes megaloblastic anemia, damage to the white matter of the spinal cord and brain, and peripheral neuropathy. Diagnosis is usually made by measuring serum vitamin B12 levels.
What are the risk factors for vitamin B12 deficiency? 1.1.1. Introduction. There are many possible risk factors for developing vitamin B12 deficiency. These can be broadly split into dietary and non-dietary factors and medicines. The extent to which these factors increase the risk of developing vitamin B12 deficiency is unclear.
7 lut 2024 · causes. Diagnosis & treatment. Doctors & departments. On this page. Diagnosis. Treatment. Preparing for your appointment. Diagnosis. To help diagnose vitamin deficiency anemias, you might have blood tests that check for: The number and appearance of red blood cells. The amount of vitamin B-12 and folate in the blood.
