By definition, complementary and alternative medicine consists of therapies that are unproven, at least by the standards of Western medicine.

根据定义，补充和替代疗法包括那些未经验证的，至少是不为西方医学标准所验证的方法。

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The more ancient forms of complementary and alternative medicine are also known as traditional medicine.

补充和替代疗法更古老形式叫做传统医学。

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The world of medicine has become splintered into two factions, that of orthodoxy and its counterpart, alternative or complementary medicine.

医学的世界进二宗派，正教和它对手，其它或者补充药的那裂成碎片。

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The study, which appears in the Annals of Internal Medicine, was funded by the National Center for Complementary and Alternative Medicine (part of the National Institutes of Health) and the Robert Wood Johnson Foundation.

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In fact, 75 percent of cancer patients who used complementary and alternative medicine didn't tell their physicians, according to a 2005 survey.

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The herb can cause headaches or tiredness the morning after, according to the National Institutes of Health's National Center for Complementary and Alternative Medicine.

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