A healthy lifestyle and adequate eating habits can prevent this disease and, if you suffer from it, improve the symptoms and prevent possible relapses. Virgin olive oil has marked antimicrobial activityin vitro versusHelicobacter pylori, the bacteria responsible for most stomach ulcers and many chronic gastritis, which infects half of the world's population. «It has been shown, simulating the circumstances of a digestion in the laboratory, that the polyphenolic compounds studied resist the acidic conditions of the stomach, so they could exert this bactericidal effect.on site»,in the oilexistshigh bactericidal activityin vitroversusH.pylori, which allows us to harbor hopes of its beneficial impactin vivo.