Gastric cancer. Pernicious anemia increases the risk of stomach or intestinal cancers. What causes vitamin B12 deficiency?Low levels of vitamin B-12 can be caused by: Diet. Vitamin B-12 is ...

Pernicious anemia is predominantly a disease of adult life and is rarely reported in persons under the age of thirty. 4 The disease has been described in children, but the diagnosis has not been ...

Dietary management of patients with Vit. B 12 deficiency that cannot be managed by a modification of the normal diet alone (eg, pernicious anemia, malabsorption of Vit. B 12, others). Antibiotics ...