参考答案：传统医学是保持健康以及预防、诊断或治疗身心疾病方面所使用的以不同文化固有的理论、信仰和经验为基础的知识、技能和实践总和。传统医学被不属于其本土文化范畴的其他人群所采用时，通常被称作替代或补充医学。草药医学指药草、草药制剂、以及其中包含作为有药效的植物部分的草药成品。在亚洲和非洲一些国家，80%的人口依赖传统医学提供基本卫生保健。在许多发达国家，70%～80%的人口使用过某种形式的替代或补充医学，例如针灸。

解析：
Traditional medicine is the sum total of knowledge, skills and practices based on the theories, beliefs and experiences indigenous to different cultures that are used to maintain health, as well as to prevent, diagnose, or treat physical and mental illnesses.
Traditional medicine that has been adopted by other populations, outside its indigenous culture, is often termed alternative or complementary medicine.
Herbal medicines include herbs, herbal preparations, and finished herbal products that contain parts of plants as active ingredients. In some Asian and African countries, 80% of the population depend on traditional medicine for primary health care. In many developed countries, 70% to 80% of the population have used some form of alternative or complementary medicine such as acupuncture.