Leech therapy has been practiced for centuries and is still offered in parts of Europe. During the procedure, multiple leeches attach and draw blood over an extended period. Medical staff monitor ...

European medicinal leeches were famous for their popular purpose: treatment for everything from cancer to mental illness. But the high demand left them endangered—still today. Bloodletting ...

Andrew Plucinski’s leeches are picky about skin. When offered the chance to bite a person who bathes in smelly soap they recoil, even when they’re hungry. Leeches prefer their humans unseasoned. In ...