美國互補與另類醫療研究中心(NCCAM-National for Complementary and Alternative medicine)的主要工作是什麼？
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What is complementary and alternative medicine?
Complementary and alternative medicine, as defined by NCCAM, is a group of diverse medical and health care systems, practices, and products that are not presently considered to be part of conventional medicine.1,2 While some scientific evidence exists regarding some CAM therapies, for most there are key questions that are yet to be answered through well-designed scientific studies--questions such as whether these therapies are safe and whether they work for the diseases or medical conditions for which they are used.
The list of what is considered to be CAM changes continually, as those therapies that are proven to be safe and effective become adopted into conventional health care and as new approaches to health care emerge.Source(s): http://nccam.nih.gov/health/whatiscam/#1