If people had been aware of the existence of bacteria and their role in causing the Black Death in the 14th century, as well ...

There are many helpful strains of bacteria. Some help in human health, while others help to ensure the overall function of various ecosystems. Examples of good bacteria are: Harmful bacteria cause ...

Clostridium difficile is one example. This bug can set up shop in our intestines without causing harm as our good bacteria ...

“They can wipe out a lot of the good bacteria that are in the gut.” Antibiotics can also cause villi, the little finger-like projections in the intestines that move things along, to lie ...

Antibiotics are indispensable for treating bacterial infections. But why are they sometimes ineffective, even when the bacteria are not resistant? In their latest study published in the journal Nature ...