As we tidy away the Dracula capes and glow-in-the-dark plastic fangs for another winter, one notorious blood sucker has had a particularly good year. For the first time the medicinal leech Hirudo ...

Leeching — the one with two E’s — involves attaching slimy, bloodsucking parasites to various parts of your body and leaving ...

Leeches could soon make a medical comeback after a study found they could relieve pain. Patients with osteoarthritis in their knees reported an amazing improvement 24 hours after the blood-suckers ...

Leeches are a group of segmented worms primarily found in freshwater habitats, although a few species live in the oceans and on land. Despite their reputation, many don’t feed on blood, instead eating ...

Doctors grabbed the leech with forceps and carefully removed the animal, now nearly 4 inches long after feeding on the man’s blood supply for at least a week, according to the report.

The new cave-dwelling leech species is believed to exist solely on bat blood, according to researchers. Li, T. et al. (2025.) The leech’s specialized diet of bat blood has allowed it to survive ...

Published April 8 | Read More | Cave-dweller with three jaws found feeding on bat blood is new species in China The new cave-dwelling leech species is believed to exist solely on bat blood ...