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Definition of National Center for Complementary & Alternative Medicine
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
National Center for Complementary & Alternative Medicine: Abbreviated NCCAM. A part of the National Institutes of Health (NIH), this center "conducts and supports basic and applied research and training and disseminates information on complementary and alternative medicine to practitioners and the public."
NCCAM "identifies and evaluates unconventional health care practices; and supports, coordinates and conducts research and research training on these practices and disseminates information," according to the NIH.