The mechanism by which H pylori infection predisposes to duodenal ulceration remains unclear.

The mechanism by which H pylori infection stimulates the release of G17 is not known.

In this study H pylori infection was present in all old subjects with atrophy with one exception.

Having any of the following medical conditions: Helicobacter pylori (H. pylori) infection of the stomach.

This means that natural immunity can sometimes get rid of H.pylori infection.

H. pylori infection.

Improved sanitation may have reduced the incidence of H. pylori infections, leading to a decline in stomach cancer.

Althugh the mechanism by which H pylori infection produces hyperpepsinogenaemia remains unknown, it has been shown before that patients with gastritis have increased serum pepsinogen concentrations.

Helicobacter pylori gastric infection.

Taking garlic by mouth for H. pylori infection used to look promising due to laboratory evidence showing potential activity against H. pylori.