Leech therapy: is anybody here researching on it?

i think i can add some more about leech therapy. i have seen the therapy mer=thod while my undergradute course. this is an interesting and scietifially provened therapl although it is first introduced by trrditional practioners. we all know thers won`be any permanant curative treatment for rhuematoid arthritis , but leech therapy can do. all other types of artritis also it will help to reduce the swelling immediately. the scientific part i will discus later.