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Other vitamin B-12 deficiencies, such as that caused by poor dietary intake, are often confused with pernicious anaemia.
Pernicious anaemia is mainly thought to be an autoimmune disorder that hurts the parietal cells in the stomach.
However, pernicious anaemia may also have a genetic component to it as well, potentially running in families.
Pernicious anaemia and anaemia due to small intestinal malabsorption can be treated with an intramuscular B-12 injection by your physician.
High dose oral vitamin B-12 supplementation may be an effective option for some people with pernicious anaemia, as well.
Vitamin B12 deficiency: A headache could be a sign of pernicious anaemia (Image: Getty Images)
| UPDATED: 16:04, Sat, Mar 6, 2021
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Vitamin B12 is one of the most important vitamins for the body s overall health. But huge numbers of people may be at risk of a B12 deficiency, it s been claimed. What are the key warning signs of the condition?
VITAMIN B12 is fuel for the body and a fuel shortage can cause the body to malfunction. A prolonged B12 deficiency can cause three particularly destructive effects.
| UPDATED: 14:18, Tue, Mar 2, 2021
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Vitamin B12 is naturally found in animal foods, including meats, fish, poultry, eggs and dairy. However, it can also be found in products fortified with B12, such as some varieties of bread and plant-based milk. Unfortunately, symptoms of a vitamin B12 deficiency can take years to show up and diagnosing it can be complex. Taking a good look at your face and noticing any changes, however, could help you identify whether your B12 levels are too low.
VITAMIN B12 deficiency can produce changes to a person s physical health. Experiencing fatigue and shortness of breath could be signs you are lacking in vitamin B12.