Intestinal worms, often unnoticed, can cause significant health issues. Symptoms range from stomach pain and fatigue to severe complications like blockages. Recognizing signs in stool, understanding ...

This undated image provided by Bugwood.org shows a hammerhead worm on a leaf in India. The narrow, snakelike flatworm has a head built like that of a hammerhead shark. Arun T.P. / AP After heavy ...

After heavy rainfall, sightings of an invasive species have been on the rise in North Texas. Hammerhead worms, named for their distinct hammer-shaped head, are a species of worm endemic to Southeast ...

Weeks of heavy rain have prompted a plague of massive, toxic hammerhead flatworms to erupt from the ground in North Texas, much to the chagrin of frightened locals. “It was terrifying, like these are ...