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Being healthy is important because it makes you feel good and live longer. The field of health psychology is focused on promoting health as well as the prevention and treatment of disease and illness. Health psychologists also focus on understanding how people react, cope and recover from illness. Some health psychologists work to improve the health care system and the government’s approach to health care policy.Health is the level of functional or metabolic efficiency of a living being.

In humans, it is the general condition of a person’s mind and body, usually meaning to be free from illness, injury or pain (as in “good health” or “healthy”). The World Health Organization (WHO) defined health in its broader sense in 1946 as “a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity.” Although this definition has been subject to controversy, in particular as lacking operational value and because of the problem created by use of the word “complete”, it remains the most enduring Classification systems such as the WHO Family of International Classifications, including the International Classification of Functioning, Disability and Health (ICF) and the International Classification of Diseases (ICD), are commonly used to define and measure the components of health.

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Systematic activities to prevent or cure health problems and promote good health in humans are undertaken by health care providers.Applications with regard to animal health are covered by the veterinary sciences. The term “healthy” is also widely used in the context of many types of non-living organizations and their impacts for the benefit of humans, such as in the sense of healthy communities, healthy cities or healthy environments. In addition to health care interventions and a person’s surroundings, a number of other factors are known to influence the health status of individuals, including their background, lifestyle, and economic and social conditions; these are referred to as “determinants of health”.

Public Health is the science of protecting and improving the health of communities through education, promotion of healthy lifestyles, and research for disease and injury prevention. Public health professionals analyze the effect on health of genetics, personal choice and the environment in order to develop programs that protect the health of your family and community. Overall, public health is concerned with protecting the health of entire populations. These populations can be as small as a local neighborhood, or as big as an entire country.Public health professionals try to prevent problems from happening or re-occurring through implementing educational programs, developing policies, administering services, regulating health systems and some health professions, and conducting research, in contrast to clinical professionals, such as doctors and nurses, who focus primarily on treating individuals after they become sick or injured.

It is also a field that is concerned with limiting health disparities and a large part of public health is the fight for health care equity, quality, and accessibility.Public Health is the science of protecting and improving the health of communities through education, promotion of healthy lifestyles, and research for disease and injury prevention. Public health professionals analyze the effect on health of genetics, personal choice and the environment in order to develop programs that protect the health of your family and community. Overall, public health is concerned with protecting the health of entire populations. These populations can be as small as a local neighborhood, or as big as an entire country.Public health professionals try to prevent problems from happening or re-occurring through implementing educational programs, developing policies, administering services, regulating health systems and some health professions, and conducting research, in contrast to clinical professionals, such as doctors and nurses, who focus primarily on treating individuals after they become sick or injured. It is also a field that is concerned with limiting health disparities and a large part of public health is the fight for health care equity, quality, and accessibility.

The field of public health is highly varied and encompasses many academic disciplines. However, public health is mainly composed of the following core areas: ROLE OF PUBLIC HEALTH OFFICER The objective of the health officer manual is to support effective public health practice of local health officers by providing a collection of relevant guidance documents related to issues that health officers are likely to encounter. Although many of the documents are available in various locations and websites, the collection allows the local health officer to find many items in one location.These documents support the health officer role and local response to various environmental health related conditions. The health officer manual is being updated in 2011 to offer the most current information available (last update was 2003) and sections will be periodically updated as newer versions of guidance documents become available. The role of public halth officer are as follows:.

1. Monitor health status to identify community health problems.2.

 Diagnose and investigate health problems and health hazards in the community. 3. Inform, educate, and empower people about health issues. 4. Mobilize community partnerships to identify and solve health problems. 5. Develop policies and plans that support individual and community health efforts. 6.

Enforce laws and regulations that protect health and ensure safety. 7. Link people to needed personal health services and assure the provision of health care when otherwise unavailable.

8. Assure a competent public health and personal health care workforce. 9. Evaluate effectiveness, accessibility and quality of personal and population-based health services. 10. Research for new insights and innovative solutions to health problems CONCLUSION Public health officers on all administrative levels play a crucial role in crisis planning and in the management of crisis situations. Thus the public health sector has to be involved in every crisis management planning process in order to implement all operative issues right from the start.

The roles and competencies of the different administrative levels have to be clearly defined in practical terms and the functionality of the standardised operational procedures has to be tested repeatedly in exercises. •Public health officers have different roles in preparedness planning and crisis management depending on the administrative level they are working at: while a public health officer at the district level is mainly involved in operational issues, a public health officer at the regional level is responsible for coordinative and strategic measures within the federal state.Thus their involvement has to be implemented accordingly: operational training such as delivery of neuraminidase inhibitors or vaccine is addressed at the district level while strategic training such as planning hospital care throughout the federal state is addressed at the regional level. •Exercises are the most important tool to evaluate crisis plans and thus the level of preparedness among public health officers.

In order to design scenarios that are as realistic as possible, public health officers on all administrative levels have to be involved already in the exercise preparation. By this it is guaranteed that all relevant issues are included in order to improve the performance in case of a real crisis.

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