A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury. Diseases are often known to be medical conditions that are associated with specific signs and symptoms. A disease may be caused by external factors such as pathogens or by internal dysfunctions. For example, internal dysfunctions of the immune system can produce a variety of different diseases, including various forms of immunodeficiency, hypersensitivity, allergies, and autoimmune disorders.
The following outline is provided as an overview of and topical guide to health sciences:
In common usage and medicine, health, according to the World Health Organization, is "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity". A variety of definitions have been used for different purposes over time. Health can be promoted by encouraging healthful activities, such as regular physical exercise and adequate sleep, and by reducing or avoiding unhealthful activities or situations, such as smoking or excessive stress. Some factors affecting health are due to individual choices, such as whether to engage in a high-risk behavior, while others are due to structural causes, such as whether the society is arranged in a way that makes it easier or harder for people to get necessary healthcare services. Still, other factors are beyond both individual and group choices, such as genetic disorders.
The United States Public Health Service is a collection of agencies of the Department of Health and Human Services concerned with public health, containing nine out of the department's twelve operating divisions. The Assistant Secretary for Health oversees the PHS. The Public Health Service Commissioned Corps (PHSCC) is the federal uniformed service of the PHS, and is one of the eight uniformed services of the United States.
Public health is "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". Analyzing the determinants of health of a population and the threats it faces is the basis for public health. The public can be as small as a handful of people or as large as a village or an entire city; in the case of a pandemic it may encompass several continents. The concept of health takes into account physical, psychological, and social well-being.
Tropical medicine is an interdisciplinary branch of medicine that deals with health issues that occur uniquely, are more widespread, or are more difficult to control in tropical and subtropical regions.
A chronic condition is a health condition or disease that is persistent or otherwise long-lasting in its effects or a disease that comes with time. The term chronic is often applied when the course of the disease lasts for more than three months. Common chronic diseases include diabetes, functional gastrointestinal disorder, eczema, arthritis, asthma, chronic obstructive pulmonary disease, autoimmune diseases, genetic disorders and some viral diseases such as hepatitis C and acquired immunodeficiency syndrome. An illness which is lifelong because it ends in death is a terminal illness. It is possible and not unexpected for an illness to change in definition from terminal to chronic. Diabetes and HIV for example were once terminal yet are now considered chronic due to the availability of insulin for diabetics and daily drug treatment for individuals with HIV which allow these individuals to live while managing symptoms.
The Massachusetts Department of Public Health is a governmental agency of the Commonwealth of Massachusetts with various responsibilities related to public health within that state. It is headquartered in Boston and headed by Commissioner Monica Bharel.
An environmental health officer (EHO), also referred to as an environmental health practitioner or public health inspector, is a person responsible for carrying out measures to protect public health, including administering and enforcing legislation related to environmental health and providing support to minimize health and safety hazards.
Health is the state of complete physical, mental, and social well-being and a positive concept emphasizing social and personal resources, as well as physical capacities. This article lists major topics related to personal health.
Opened in 1984, the University of South Florida College of Public Health, offers master's degrees in Public Health (MPH), a Master of Science in Public Health (MSPH) which is a more academic and research oriented master's degree, and a master's degree in Health Administration (MHA), along with a doctorate (PhD) in Public Health and several dual degrees in collaboration with other colleges- most notably the dual PhD/MPH program in Applied Anthropology. The MHA in Public Health Practice is an innovative program for health professionals which can be attained through weekend executive or distance learning format.
Charles-Edward Amory Winslow was an American bacteriologist and public health expert who was, according to the Encyclopedia of Public Health, "a seminal figure in public health, not only in his own country, the United States, but in the wider Western world."
William Harding le Riche was a South African–born Canadian epidemiologist. He was Professor of Epidemiology (emeritus) at the University of Toronto.
The following outline is provided as an overview of and topical guide to applied science:
The Journal of Public Health is a quarterly peer-reviewed public health journal. It was originally established in 1892 as the Journal of State Medicine by the Royal Institute of Public Health and has undergone several renames during its history. It acquired its current name in 2004 and is currently published by Oxford University Press on behalf of the Faculty of Public Health. The editors-in-chief are Keith Neal and Premila Webster.
The BC Centre for Disease Control is the public health arm for British Columbia's Provincial Health Services Authority.
Marc Lipsitch is an American epidemiologist and Professor in the Department of Epidemiology at the Harvard T.H. Chan School of Public Health, where he is the Director of the Center for Communicable Disease Dynamics. He has worked on modeling the transmission of Coronavirus disease 2019 (COVID-19).
The Bureau of State Services (BSS) was one of three principal operating agencies of the United States Public Health Service (PHS) from 1943 until 1966. The bureau contained the PHS divisions that administered cooperative services to U.S. states through technical and financial assistance, and included significant programs in community health, environmental health, and workforce development.
Aditya Prasad Dash, who hails from the Indian State of Odisha, is an Indian biologist with special interest in malaria and vector borne diseases. His areas of interest include biomedical science, transmission biology of tropical disease, and modern biology of disease vectors. According to Vidwan, the national network for researchers and experts, Dash has authored 320 publications co-authored 699 publications. Since September 2020, Dash has been serving as the Vice Chancellor of Asian Institute of Public Health (AIPH) in Bhubaneswar. Before joining AIPH, he was the Vice Chancellor of Central University of Tamil Nadu during the period from August 2015 to August 2020. He had also worked at the World Health Organization (WHO) as the Regional Advisor for the South-East Region. He has also worked as the Director of the National Institute of Malaria Research (NIMR), New Delhi, of the Institute of Life Sciences (ILS), Bhubaneswar and of the National Institute for Research on Tribal Health, Jabalpur.
