Wait... doctors put leeches on sick people?

Doctors once used blood-sucking leeches as medicine... and they were as popular as Panadol. This episode will answer questions like: What is a leech? How were leeches used in old medicine? Are leeches still used in medicine? What is blood-letting? Find more episodes of kids’ history podcast Wait... They Did What!? with Tilly Oddy-Black on the Kids tab of ABC listen.