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Public health has been described as “the science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society, organizations, public and private, communities and individuals.”[52] It is concerned with threats to the overall health of a community based on population health analysis. The population in question can be as small as a handful of people or as large as all the inhabitants of several continents (for instance, in the case of a pandemic). Public health has many sub-fields, but typically includes the interdisciplinary categories of epidemiology, biostatistics and health services. Environmental health, community health, behavioral health, and occupational health are also important areas of public health.
Focusing more on lifestyle issues and their relationships with functional health, data from the Alameda County Study suggested that people can improve their health via exercise, enough sleep, maintaining a healthy body weight, limiting alcohol use, and avoiding smoking.[29] Health and illness can co-exist, as even people with multiple chronic diseases or terminal illnesses can consider themselves healthy.[30]
Roughly a quarter of all adults 18 and over in the US are considered diagnosable with mental illness. Mental illnesses are the leading cause of disability in the US and Canada. Examples include, schizophrenia, ADHD, major depressive disorder, bipolar disorder, anxiety disorder, post-traumatic stress disorder and autism.[40]
Emotional wellness relates to understanding your feelings and coping effectively with stress. It is important to pay attention to self-care, relaxation, stress reduction and the development of inner resources so you can learn and grow from experiences.
Just as there was a shift from viewing disease as a state to thinking of it as a process, the same shift happened in definitions of health. Again, the WHO played a leading role when it fostered the development of the health promotion movement in the 1980s. This brought in a new conception of health, not as a state, but in dynamic terms of resiliency, in other words, as “a resource for living”. 1984 WHO revised the definition of health defined it as “the extent to which an individual or group is able to realize aspirations and satisfy needs and to change or cope with the environment. Health is a resource for everyday life, not the objective of living; it is a positive concept, emphasizing social and personal resources, as well as physical capacities”.[11] Thus, health referred to the ability to maintain homeostasis and recover from insults. Mental, intellectual, emotional and social health referred to a person’s ability to handle stress, to acquire skills, to maintain relationships, all of which form resources for resiliency and independent living.[10]
Bodily injuries are also a common health issue worldwide. These injuries, including broken bones, fractures, and burns can reduce a person’s quality of life or can cause fatalities including infections that resulted from the injury or the severity injury in general (Moffett, 2013).[34]
There are eight dimensions of wellness: occupational, emotional, spiritual, environmental, financial, physical, social, and intellectual. Each dimension of wellness is interrelated with another. Each dimension is equally vital in the pursuit of optimum health. One can reach an optimal level of wellness by understanding how to maintain and optimize each of the dimensions of wellness.
Jump up ^ “IARC Monographs Programme finds cancer hazards associated with shiftwork, painting and firefighting”. International Agency for Research on Cancer. December 5, 2007. Retrieved November 25, 2015.
Jump up ^ Patel, Sanjay R.; Hu, Frank B. (January 17, 2008). “Short sleep duration and weight gain: a systematic review”. Obesity (Silver Spring). 16 (3): 643–653. doi:10.1038/oby.2007.118. PMC 2723045 . PMID 18239586.
As the number of service sector jobs has risen in developed countries, more and more jobs have become sedentary, presenting a different array of health problems than those associated with manufacturing and the primary sector. Contemporary problems, such as the growing rate of obesity and issues relating to stress and overwork in many countries, have further complicated the interaction between work and health.
Though the majority of these health issues are preventable, a major contributor to global ill health is the fact that approximately 1 billion people lack access to health care systems (Shah, 2014). Arguably, the most common and harmful health issue is that a great many people do not have access to quality remedies.[35][36]
Environmental wellness inspires us to live a lifestyle that is respectful of our surroundings. This realm encourages us to live in harmony with the Earth by taking action to protect it. Environmental well-being promotes interaction with nature and your personal environment. Everyone can have a strong environmental conscious simply by raising their awareness.
Jump up ^ “OECD.StatExtracts, Health, Non-Medical Determinants of Health, Body weight, Obese population, self-reported and measured, Total population” (Online Statistics). OECD’s iLibrary. 2013. Retrieved 2013-12-13.
Maintaining an optimal level of wellness is absolutely crucial to live a higher quality life. Wellness matters. Wellness matters because everything we do and every emotion we feel relates to our well-being. In turn, our well-being directly affects our actions and emotions. It’s an ongoing circle. Therefore, it is important for everyone to achieve optimal wellness in order to subdue stress, reduce the risk of illness and ensure positive interactions.
Jump up ^ Hirshkowitz, Max; Whiton, Kaitlyn; et al. (14 January 2015). “National Sleep Foundation’s sleep time duration recommendations: methodology and results summary”. Sleep Health: Journal of the National Sleep Foundation. Elsevier Inc. 1: 40–43. doi:10.1016/j.sleh.2014.12.010. Retrieved 25 November 2015.
In the first decade of the 21th century, the conceptualization of health as an ability opened the door for self-assessments to become the main indicators to judge the performance of efforts aimed at improving human health[17]. It also created the opportunity for every person to feel healthy, even in the presence of multiple chronic diseases, or a terminal condition, and for the re-examination of determinants of health, away from the traditional approach that focuses on the reduction of the prevalence of diseases[18].
CALGARY – AHS is confident there is no ongoing health risk to the individuals transported from the Stoney Nakoda First Nation on Wednesday, April 4, to the Alberta Children’s Hospital. Similarly, there is no health risk to the public.
Health science is the branch of science focused on health. There are two main approaches to health science: the study and research of the body and health-related issues to understand how humans (and animals) function, and the application of that knowledge to improve health and to prevent and cure diseases and other physical and mental impairments. The science builds on many sub-fields, including biology, biochemistry, physics, epidemiology, pharmacology, medical sociology. Applied health sciences endeavor to better understand and improve human health through applications in areas such as health education, biomedical engineering, biotechnology and public health.
Intellectual wellness involves having an open mind when you encounter new ideas and continuing to expand your knowledge. It encourages active participation in scholastic, cultural and community activities.
A number of types of health issues are common around the globe. Disease is one of the most common. According to GlobalIssues.org, approximately 36 million people die each year from non-communicable (not contagious) disease including cardiovascular disease, cancer, diabetes and chronic lung disease (Shah, 2014).
Lifestyle choices are contributing factors to poor health in many cases. These include smoking cigarettes, and can also include a poor diet, whether it is overeating or an overly constrictive diet. Inactivity can also contribute to health issues and also a lack of sleep, excessive alcohol consumption, and neglect of oral hygiene (Moffett2013).There are also genetic disorders that are inherited by the person and can vary in how much they affect the person and when they surface (Moffett, 2013).

Spiritual wellness allows you to develop a set of values that help you seek meaning and purpose. Spirituality can be represented in many ways, for example, through relaxation or religion. But being spiritually well means knowing which resources to use to cope with issues that come up in everyday life.
Wellness is an active process of becoming aware of and making choices toward a healthy and fulfilling life. Wellness is more than being free from illness, it is a dynamic process of change and growth.
Social wellness helps you perform social roles effectively and comfortably, and create a support network. This dimension of wellness allows you to not only develop encouraging relationships with peers, but also intimate relationships with romantic partners.
Jump up ^ Jonathan, E. Fielding; Shiriki, Kumanyika; Ronald, W. Manderscheid (2013). “A Perspective on the Development of the Healthy People 2020 Framework for Improving U.S. Population Health” (PDF). Public Health Reviews. 35. Archived from the original on 2014-04-02.

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