Leeches are famous for drinking blood – and being used in medicine. But can these slippery little vampires ever be deadly?

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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. In Ireland, the leech was driven to extinction in ...

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Leeches get a bad rap — but they might not deserve it. Yes, they’re creepy crawly bloodsuckers. And they can instill an almost primal sense of disgust and revulsion. Humphrey Bogart’s character in the ...

MOSCOW — They are small as physician assistants go, about 2 inches long, and slithery. They wiggle about for a bit on Elena A. Kalinicheva’s back before getting down to what they do best: sucking ...

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