Researchers have found an indication of depression in a slightly unexpected place – the microbiome inside our mouths. The finding opens a new route of inquiry that could lead to novel antidepressant ...

Stanford University researchers have discovered virus-like ‘lifeforms’ that exist inside human mouths and guts. Smaller than a virus and not considered standard life, the genetic material can still ...

Specific combinations of microbes living in our mouths have been associated with one of the deadliest cancers in humans, suggesting good oral hygiene could do more than just save our teeth. "It is ...

The human body has always been crowded with microscopic passengers, from bacteria to viruses and fungi. Over the past two years, however, researchers have started to realize that this familiar cast ...