The development of national health insurance in canada. Indigenous healing systems earliest forms of health care in canada. 19th century variety of practitioners in competition. 1832: first government involvement in the mixture of medical practices. Services that are judged to be medically required by medical practitioners. Provided in a hospital by a physician and included surgical dental services within a hospital as well. Legitimizes particular definitions of health guides resource allocation. Articulates the commitment of the government to the health of its citizens reflects social values. The principles of the canada health act began as simple conditions attached to federal funding for medicare. Over time, they became much more than that. Today, they represent both the values underlying the health care system and the conditions that governments attach to funding a national system of public health care. The principles have stood the test of time and continue to reflect the values of canadians. (roy j. romanow, q. c.