Silent Threat: Common Gut Bacteria Linked to Millions of Future Stomach Cancer Cases, New Research Warns
A recently published study has issued a global warning that a widespread gut bacterium, often carried without evident symptoms, could be responsible for millions of cases of stomach cancer in the coming decades. The research highlights the bacterium’s stealthy infection pattern, raising concern for public health officials and medical communities worldwide—including in Thailand, where prevalence rates and awareness levels remain comparatively low.
The study, which has been widely covered in international media such as the Times of India, identifies Helicobacter pylori (H. pylori) as the culprit. This bacterium is known to inhabit the stomach lining of more than half the world’s population, typically without causing obvious symptoms. However, over time, persistent infection can trigger chronic inflammation, ulcers, and, for some, facilitate the development of gastric cancer—the world’s fifth most common malignancy and a leading cause of cancer-related deaths.