Research briefs: H pylori's survival

This could partially explain the role of stress and smoking in peptic ulcer formation. In the study, strains of H pylori were exposed to a number of gastric hormones and its behaviour monitored. In findings presented last week at the annual meeting of CORE, the digestive disease foundation, in London, the University of Nottingham researchers said adrenaline and noradrenaline enhanced H pylori growth in a dose-dependent manner.