Vitamin B12 Deficiency: Symptoms, Consequences
Vitamin B12 deficiency: Causes Vitamin B12 deficiency can occur when less of the vitamin is supplied or absorbed than the body needs over a long period of time. Increased consumption or loss of vitamin B can also cause blood levels of vitamin B12 to drop. In addition, certain medications can promote vitamin B12 deficiency. In … Vitamin B12 Deficiency: Symptoms, Consequences