Integrated Behavioral Health Care: Reflections of the Past.

Humans have long sought to be provided with optimal health care, and the research continues in the twenty-first century. In the spirit of Galen from 19 centuries ago, empowering the patient's physician remains an important approach in health care. There is an emphasis on primary care and integration of behavioral consultation services in primary care. It remains a work in progress with help from the past and realistic hope for the future.