Public Health
Tuesday, February 27, 2024
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Public Health: Introduction

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The phrase 'prevention is better than cure' is the basis of the career, public health. Public Health is the science and practice of protecting and improving the health of communities through education, promotion of healthy lifestyles, and research for disease and injury prevention. In other words, Public health deals with prevention and control of diseases, and involves researching and educating population to help prevent or manage health issues that impact all or many people in that population. The field focuses on protecting entire communities or populations, rather than the individual. These population can be as small as a local city or as big as an entire country. Overall the goal of public health is to improve lives through prevention, control and treatment of diseases, and developing methods to prevent the reoccurrence of health issues by implementing policies and educational programs.

Public health includes environmental, social, behavioral, and occupational health. It is most commonly associated with prevention or control of infectious diseases, but it may also include genetic diseases and disorders, as well as the effects of natural disasters, accidents, and acts of terrorism or bio-terrorism.

Public health professionals monitor and evaluate the health needs of entire communities, promote healthy practices and behaviors, and work to identify and eliminate environmental hazards to assure that populations stay healthy. Public health is a diverse and dynamic field in the sense that these practitioners come from varying educational backgrounds: medicine, nursing, business, epidemiology, law, biology, economics, nutrition, social work, environmental science, health education and behavior sciences etc. Nevertheless, they share the common goal of preventing disease at the population level. They are involved in a diverse set of activities and work to protect the environment, identify sources of illness in population groups, control disease outbreaks, evaluate the economic impacts of changing demographics, develop media campaigns and education programs on hygiene and sanitation to promote healthy behavior, produce health policy legislation and monitoring environmental hazards.

If you have an interest in science subjects and have a mind to serve the society, career in public health is the way for you. For such candidates, public health is a rewarding and satisfying career avenue. The field offer great personal accomplishment as you work toward improving people's health and welfare of the community. Spirit of serving others and hard work is required for a successful career in Public health. Public health professionals may serve local, national or international communities.

Public health career is such a field which offers something for everyone. Specialties in the field such as Biostatistics (the theory and application of statistical science to analyze public health problems) and Epidemiology (study of patterns of health and illness and associated factors at the population level) are based on mathematics and modeling, while environmental health incorporates wide range of science skills. Health administration includes business as well as management skills; and health education, requires skills to expand community wide prevention programs. In health policy sector, you should understand law-making processes easily.


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