Science Reviving Traditional Treatment, Polish Company Breeds Leeches for Export By Yscien on Wednesday, February 14, 2018 The use of blood-sucking leeches in treating disease may seem like a relic of the Middle Ages, but one Polish company says there is growing demand by doctors for the worms. Faith Lapidus reports. … TelegramWhatsAppPinterestFacebookMastodonNextdoorX Related Previous Post Next Post Related Posts Economy Science Namibia doctors fight cervical cancer Economy Science Bird migrations shifting with warming planet in US Southwest Economy Science California marine sanctuary protects waters from oil drilling