A tiny arms race playing out inside the gut could eventually offer a new way to treat out-of-balance microbiomes.

The mental health toll of caring for COVID-19 patients will need long-lasting attention, as it adds to already demanding professions.

A new study describes how poor oral health may worsen gut inflammation.

Children and young adults with the inflammatory bowel disease may be less likely to develop perianal fistulas if they receive steroid-sparing therapies.

Researchers are comparing the way genes are expressed in thousands of sperm-forming cells in mice, macaques and humans to look for similarities and differences. This comparison provides clues about how sperm has evolved in mammals.

Researchers look to the genes behind COVID-19 for early answers.