The present essay deals with the relation between epidemiology and public policies, highlighting the epidemiology position in the public health field, analyzing the impact of public policies over epidemiological profile and contributions from epidemiology to the lay down, implementation and evaluation of public health policies. In the first title, the essay debates the links between the epidemi...

Does managed care have a sustainable future? So far, managed care has not lived up to its promises and potential. Admittedly, the health care system prior to managed care was a non-system. But its features included committed health care professionals, caring local institutions, freedom of choice, and laws reflecting public confidence. And it was based on the assumption that needed health care s...

Public Law 93-641 provides health systems agencies (HSAs) with a broad planning preview which has enabled a number of agencies to address environmental health issues in their health systems plans. Opponents of HSA involvement in environmental health planning charge that these activities overextend agency resources, duplicate efforts of other government agencies and involve HSAs in "issues of pu...

The collaboration of public health education and information technology has made patient care safer and more reliable than before. Nurses and doctors use handheld computers to record a patient's medical history and check that they are administering the correct treatment. Fortunately Public Health Informatics (PHI) is the intersecting point of technology and public health. Therefore, the inclusi...

visual sciences have been progressing quickly in recent decades through globalization phenomenon. an enormous change has taken place in ocular health issues, however, there are various problems facing ophthalmic public health worldwide. in the previous years, the world health organization and the international agency for the prevention of blindness in partnership launched the global initiative ...