It's a great time of year to meet with the giant Amazonian leech. Its kind is just emerging from the bottom muck, where they dug themselves in to wait out the three-month dry season. They'll be ...

This is the gut-wrenching moment doctors removed a three-inch-long leech from a patient's nose in India. ENT specialist Dr ...

But leeches aren’t just useful at crime scenes. These creatures’ sanguineous appetites have also come in handy for scientists, who are hoping to use them to solve another mystery: the diversity of ...

"Approximately 5,000 large medicinal leeches, weighing a total of 8.34 kg, were attempted to be smuggled into our country, but have been seized. In the course of the inspection by border control ...

The leech multiplies its body mass by six or seven ... In this short film Dr Michael Mosley investigates hookworms - large parasites which invade our immune system. He meets a sufferer of Crohn ...