The human gastrointestinal tract houses roughly 100 trillion microorganisms (good bacteria). These microorganisms make up ...

Dear Doctor K: Are all germs dangerous to our health? Dear Reader: Not all microorganisms (also called germs or microbes) are bad for our health far from it. Our knowledge of the impact of germs on ...

If people had been aware of the existence of bacteria and their role in causing the Black Death in the 14th century, as well as the subsequent cholera pandemics, convincing them that bacteria could be ...

Dr Almeida, the senior author of the new report, sees huge potential for using the gut microbiome to improve medical diagnostics and treatment. The group of bacteria called Enterobacteriaceae, ...

A bout with a cold or the flu can really take you down. To stay healthy, you need to avoid nasty bugs. But that’s not always easy. Germs are everywhere, and there are plenty of ideas about how to get ...

WASHINGTON — Bacteria live on everyone’s skin, and new research shows some friendly germs produce natural antibiotics that ward off their disease-causing cousins. Now scientists are mixing the good ...

An electron microscope image showing clumps of Streptococcus mutans, strains of which are the dominant cavity-causing bacteria in humans. The bacteria form clumps after producing and secreting a ...