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, occasionally bright red, according to a medical case report published March ...

This is the gut-wrenching moment doctors removed a three-inch-long leech from a patient's nose in India. ENT specialist Dr Kishan conducted an examination and discovered the large parasite lodged ...

In this short film Dr Michael Mosley interviews a surgeon who is pioneering the use of leeches in medical research. He allows a leech to attach to his arm and suck his blood, the mouth of the ...