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 ...
Cancel anytime. Dr. Roach: I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the ...