In mice, a kind of immune memory appears to protect the cells against future harm, a finding that could provide insight into treatments for irritable bowel syndrome and other inflammatory digestive conditions.

The roundworm that causes rat lungworm disease has infected at least six people on the island of Maui in the last three months.

Onchocerca volvulus, a parasitic worm, may cause a fatal form of epilepsy in children by inducing an autoimmune reaction.

Parasitic worms promote the growth of beneficial intestinal microbes in a mouse model of inflammatory bowel disease.

Some proteins found in parasitic worms bear similarity to those from environmental allergens and cause a similar immune response in humans.

Evidence of early-13th-century intestinal worms found in a medieval castle latrine yields clues about the lives and deaths of crusaders.