Spending time with close companions might do more than strengthen bonds—it could also reshape your gut bacteria. In a study ...

The composition of gut bacteria appears to be associated with how much latent HIV remains in the blood of people receiving ...

Gut bacteria aren’t just passive passengers—they can actively send proteins straight into our cells. Using microscopic injection systems, even harmless microbes can influence immune responses and ...

The illegal migrant accused of executing a Chicago college student in cold blood last week failed to show up for a detention hearing Monday because he is being hospitalized for a rare contagious ...