Our bodies are replete with bacteria and other microorganisms that coexist without harming us, but we do occasionally suffer from infections that cause harm. Bacterial infection? No problem—just ...

Q: I was having stomach pain and some nausea. The doctor found bacteria in my stomach, and I was diagnosed with a gastric ulcer. Now I'm being told that I should get screened for stomach cancer. Is ...

Here’s what upper stomach pain is, what commonly causes it and when to seek care.

Dear Doctors: I was having stomach pain and some nausea. The doctor found bacteria in my stomach, and I was diagnosed with a gastric ulcer. Now I’m being told that I should get screened for stomach ...

A common stomach bug, Helicobacter pylori (H. pylori), could be responsible for millions of preventable cancer cases in the coming years, top researchers have warned. Scientists from the International ...

A study in Gut shows that gastric cancer is shaped by complex interactions between environmental exposure, microbes, host, ...

While conversations about cancer risk often center on genetics and lifestyle choices, emerging research highlights a more insidious threat lurking in millions of American stomachs. Helicobacter pylori ...

Half of the world’s human population is infected with the stomach bacteria called Helicobacter pylori, yet it causes disease in only about 10 percent of those infected. Other bacteria living in the ...

Dear Doctors: In your recent column about gastritis, you didn’t mention the possibility of getting H. pylori from flies. I was diagnosed with H. pylori decades ago, and soon after I saw a video in the ...