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 ...

As doctors visited the home of a 65-year-old farmer in North Wollo, Raya Kobbo, he told them his saliva had tints of blood, ...

The baby leeches offer hope of boosting fragmented wild populations. There was even a 1959 black-and-white horror film, called "Attack of the Giant Leeches," playing on our fear of them.

So rather than the big, bold and beautiful ... I was shocked to see the leeches eating the toadlets Naturalist and all-round wildlife guru John Walters sent us to a remote pool in Dartmoor ...

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 ...

Getty Images/iStockphoto “Leeches are blood-sucking endoparasite segmented worms characterized by a small sucker, which contains the mouth, at the anterior end of the body, and a large sucker ...