Toxigenic Helicobacter pylori infection precedes gastric hypochlorhydria in cancer relatives, and H. pylori virulence evolves in these families. (emedicine.medscape.com)
What you don't hear much about is a condition called Hypochlorhydria, or low stomach acid, which is actually a very common cause of these same symptoms. (mindbodygreen.com)
You don't, and functional problems such as hypochlorhydria, irritable bowel syndrome, adrenal fatigue and even hypothyroidism can be quite difficult to diagnose. (ericbakker.com)