A large-scale population metagenomic study has shed new light on the spatial heterogeneity of viral communities across the gastrointestinal tracts of ruminants, which are closely linked to human ...

Many biological processes exhibit daytime differences governed by rhythmic exposure to sunlight, termed circadian rhythms. Researchers at Penn State recently found, in mice, that a protein critical to ...

Fermented drinks such as kefir and kombucha introduce probiotic bacteria into the digestive system. The effects are short-lived but can include improved digestion, lowered inflammation, and a ...