The papers published in this monograph were presented at a symposium that took place in Seoul, South Korea, on October 22, 1999. I organized this part of the symposium at the request of Dr. Kwang-Yul Cha, MD, of CHA General Hospital, Pochon CHA University, Dr. Cha had approached the Richard and Hinda Rosenthal Center for Complementary and Alternative Medicine (RHRC), where I was a visiting faculty, in the hope of collaborating on projects of common interest. In this context, Dr. Cha generously agreed to underwrite the workshop I was organizing in Seoul as chair of the International Collaboration for Information on Complementary and Traditional Medicine. Further, Dr. Cha had the.