Interview with Dr. Josephine P. Briggs, when she answers questions about use of complementary and alternative medicine, based on the 2007 National Health Interview Survey Data on U.S. which results that 38% adults in the USA are using some form of complemntary and alternative medicine. Dr. Briggs also addresses the role of NCCAM in supporting evidence-based research, brings rigorous science to the study of various kinds of complementary and alternative medicine, provider American public with rigorous and scientifically valid information on the safe of health care.