The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A study by ...

Now scientists in Japan believe they may have discovered an important reason why some constipation treatments do not work.

Probiotic yogurts and pills promise better health, but the bacteria we ingest find a complex and challenging environment when they enter our gut. Food sources shift with every meal we eat, and the ...

Researchers uncover virus-infected gut bacteria linked to higher colorectal cancer risk—raising new questions about future screening and prevention.

We now know that the microbes that live in our intestines – our microbiome – influence our health in many ways. The balance among competing microbial species is believed to be important in ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...