The basis for these questions is the fact that levels of all 3 of these substances (hormones, vitamins, and elements) are in some way dependent on or related to gastric acid secretion. As such, any ...
DEAR 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 intrinsic factor ...