But many scientists now believe it may also play a role in stomach cancer.
In the early 20th century, there had been interest in an ulcer link to the spiral-shaped bacterium until a large 1954 U.S. study failed to find it in stomach biopsies, delaying the discovery for 28 years.
So by building up the concentration of ammonium ions inside its retaining membrane, H. pylori is able to fend off the destructive attentions of the hydrogen ions in stomach acid and thus live free from competition by less hardy germs.
Computer programmer Kevin Williams was 35 when he noticed a strange lump in his stomach in the spring of 2000.
What happens in Vegas may stay in Vegas, but unfortunately, what goes in the stomach in Vegas does not always stay where it should.
Many patients opt for less-aggressive surgical approaches, including an adjustable gastric band (which can be reversed) that forms a pouch in the stomach, or a sleeve gastrectomy, in which a portion of the stomach is removed, leaving a tube for food to pass through.
But among the same group you'd have about 2.5 extra serious bleeds, in the stomach or in the back of the brain, which could be fatal.
The inquest at Ip-City in Ipswich heard that six whole white tablets were found in Mr Parsons' stomach, with nine in Ms Hamilton's stomach, while fragments of other tablets were present in both.
What happens is that when someone eats too much, too fast, too late or even the wrong kinds of food, the digestive acid in his stomach rises up in the gullet.
We can readily describe sensations of butterflies in the stomach or feeling weak in the knees when things go well, but we are less aware of the ways that kissing helps us to make a reliable assessment of another person.
The system could, for example, be used to explore the binding between Helicobacter proteins and those in the stomach cells that it attacks, in order to find targets for new drugs to block ulceration.
Peter Lewis, 68, a vulnerable man with learning difficulties, was stabbed in the stomach by William Jones, 32, in Roath, Cardiff, on 28 April last year.
Early Russian media reports suggested Usoyan had been shot in the stomach but a grainy photo of his body in a morgue has emerged, which suggests he was hit in the face.
Because the Jefferson team knew GCC was expressed in normal intestinal cells, they decided to examine if it was expressed in the oesophagus or stomach in patients with intestinal metaplasia.
The court heard Owen claimed she gave birth to the stillborn baby after she was kicked in the stomach by an abusive partner, while she was living in an apartment at Howroyd Hall in Barkisland.
"Here is a man who had been shot in the stomach, and been fighting with this wound, gets shot in the back ... and then still has the presence of mind to say 'thank you, ' which was Michael, " Dan Murphy said.
Mr Draper was shot at close range in the stomach with a 12-bore shotgun and had to be airlifted to Addenbrooke's Hospital in Cambridge.
Many scientists believe garlic helps prevent stomach cancer because it has anti-bacterial effects against a bacterium, Helicobacter pylori, found in the stomach and known to promote cancer there.
In January, you have a big pit in your stomach when the credit card bills come.
On dismounting, he fell and received a fatal blow in the stomach from the horse.
You should eat well to have strength in your stomach to blow the horn well...
The new "valve" works because pressure in the stomach after eating constricts the esophagus, surgeons say.
The upshot is more food in the waste-bin, as well as more in the stomach.
The children were oddly trusting, offering huge hugs and burying their faces in my stomach.
"Luka had a pain in his stomach and needed an appendix operation, " Redknapp explained.
She felt a warm rush of anger start in her stomach and rise into her throat.
Then, whoever you are you should read the article and feel a pit in your stomach.
FORBES: Women Can't Gain Influence in Hollywood Because Women Don't Look like Men
AstraZeneca scientists spent five years devising a three-layer pellet to protect Prilosec in the stomach.
"You get the dinner-time phone call, and it's like a punch in the stomach, " Mr. Horning said.
Widely-used pain medications like ibuprofen and naproxen can, in rare cases, cause ulcers in the stomach or intestines.
应用推荐