La Habra, CA 55Â° New York, NY 43Â° Miami, FL 69Â° Los Angeles, CA 57Â° Browse for your location
Vitamin B 12 (cobalamin) deficiency is a common cause of macrocytic anemia and has been implicated in a spectrum of neuropsychiatric disorders.The role of B 12 deficiency in hyperhomocysteinemia and the promotion of atherosclerosis is only now being explored.itamin B 12 deficiency, therefore, can lead to increased levels of serum methylmalonic acid. In the second reaction, homocysteine is converted to methionine by using vitamin B 12 and folic acid as cofactors. In this reaction, a deficiency of vitamin B 12 or folic acid may lead to increased homocysteine levels.
Misdiagnosis and Common Variable Immunodeficiency. Vitamin B12 deficiency under-diagnosed: The condition of Vitamin B12 deficiency is a possible misdiagnosis of various conditions, such as multiple sclerosis (see symptoms of multiple sclerosis).