Ooh - the Continuum Center for Health and Healing has started to use leeches in a treatment for osteoarthritis in the knee. Leeches have been used in other kinds of surgery, but apparently this is the first time leeches have been used to treat the knee. No one is sure why leeches are able to give osteoathritis sufferers relief, so the clinic is looking for more volunteers (it's run by Beth Israel, so it's not some quack scheme) to take part in the study - the volunteers do need to shell out $600, though. more ›