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Vitamin B 12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [5] Symptoms can vary from none to severe. [ 1 ]
The longer a B12 deficiency is left untreated, the more severe and potentially irreversible symptoms will become, says Elizabeth Beil, a registered dietitian and founder of Elizabeth Beil ...
Other symptoms of vitamin B12 deficiency include memory loss, fatigue and weakness, nerve damage causing numbness and tingling in the arms and legs, dementia, depression, and seizures.
Symptoms “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.
Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [5] The most common initial symptoms are feeling tired and weak. [4]
Though not always grouped together with the inherited versions, a severe nutritional vitamin B 12 deficiency can also result in syndrome with identical symptoms and treatments as the genetic methylmalonic acidemias. [37] Methylmalonyl-CoA requires vitamin B 12 to form succinyl-CoA.
In more severe vitamin B12 deficiencies, a person may develop delusions and paranoia. “That could mimic dementia,” Kaiser says. How to tell a vitamin B12 deficiency from dementia symptoms.
Prolonged deficiency of vitamin B 12 leads to irreversible nervous system damage. HIV-associated vacuolar myelopathy can present with a similar pattern of dorsal column and corticospinal tract demyelination. [citation needed] It has been thought that if someone is deficient in vitamin B 12 and folic acid, the vitamin B 12 deficiency must
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