What condition is caused by a lack of vitamin B₁₂ in the body?

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Pernicious anemia is caused by a lack of vitamin B12, also known as cobalamin, in the body. This vitamin is necessary for the production of red blood cells and for proper neurological function. Symptoms of pernicious anemia include fatigue, weakness, pale skin, shortness of breath, heart palpitations, and neurological symptoms such as numbness and tingling in the hands and feet.

What Condition Is Caused by a Lack of Vitamin B12

What Condition Is Caused by a Lack of Vitamin B₁₂