NIH – National Center for Complementary and Alternative Medicine
This site, which is part of the U.S. National Institutes of Health, provides information on complementary and alternative medicine (CAM), which is a group of diverse medical and health care systems, practices and products that are not generally considered part of conventional medicine. Find information on many types of CAM, including acupuncture, meditation, spinal manipulation, massage therapy and more. Learn what you need to be an informed consumer, including tips on safety and effectiveness. See research results and clinical trial information. Search the site by medical condition or CAM of interest. Information is available on-line in Spanish.