The results underscore the need to be aware of the fact that the supply of new health services could bring about their increased use without a real demand.

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Objective: to explain the approaches and discussions about the Advance Healthcare Directives spread among health professionals, lawyers and society. Method: bibliographic search in the databases SciELO, LILACS, BDENF, in Portuguese, carried out from December 2017 to January 2018. Results: 22 articles were considered for analysis with interviews and testimonies of physicians, intensivists and geriatricians, nurses, technicians and Nursing auxiliaries, Medical students, lawyers and Law students. Conclusion: there is a small number of papers on the Advance Healthcare Directives in Brazil, and a wide range of approaches that have not yet been clarified. The theme is not widely spread and little clarified in its essence.

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This article aimed to review the concept of social indices by focusing on their practical use and need in the health setting. For this purpose, the initial consideration was how these indices are defined, their possible use, and the importance they have as a means of depicting the real world. Thus, a wide concept of health, consistent with the current view, was adopted. Health was further described within international and national settings, emphasizing indicators that can be employed to estimate health problems in the population were highlighted. Finally, as no specific social index describing health in a Brazilian setting has been developed, the need to rely on the Health Development Index was indicated. This index will serve as a tool for managers, inspection agents, and the general population to follow-up the developments reached and the shortcomings that should be addressed to ensure a better health status for the majority of the population.