Dear Dr. Roach: My friend was diagnosed with H. pylori. He was treated and then later he was given a stool sample test. This test showed “negative,” and he was told that it means he does not ...

H. pylori can be detected with a blood, breath or stool sample test—and treated with antibiotics and other medicines. It has long been known that excessive salt intake can worsen H. pylori ...

In the developing world, almost everyone gets H. pylori during childhood, though it tapers off as people get older, Dr. Adalja says. For whatever reason — potentially due to better hygiene ...

Infection with Helicobacter pylori is one of the top risk factors for stomach cancer — but only a small proportion of individuals who carry the bacterium go on to develop cancer. Identifying who is ...

It’s called Helicobacter pylori, H. pylori for short, and it lives in half of the world’s people. H. pylori has evolved in human microbiomes for at least 100,000 years.