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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". [1] [2] Analyzing the determinants of health of a population and the threats it faces is the basis for public health. [3]
The result of lack of sanitation is usually open defecation (and open urination but this is of less concern) with associated serious public health issues. [36] It is estimated that 2.4 billion people still lacked improved sanitation facilities including 660 million people who lack access to safe drinking water as of 2015.
The following outline is provided as an overview of and topical guide to public health: . Public health has been defined as "the science and art of preventing disease", prolonging life and improving quality of life through organized efforts and informed choices of society, organizations (public and private), communities and individuals.
Health, Civilization and the State: A History of Public Health from Ancient to Modern Times (1998), good coverage of the British record in ch. 8-9. Rosen, George A History of Public Health (1958). online, a standard scholarly history. Sheppard, Francis. London 1808-1870: The infernal wen (1971, reprint 2022) online, see pp 247–296.. Siena, Kevin.
[1] [2] According to public health experts, iodisation of salt may be the world's simplest and most cost-effective measure available to improve health, only costing US$0.05 per person per year. [1] At the World Summit for Children in 1990, a goal was set to eliminate iodine deficiency by 2000. At that time, 25% of households consumed iodised ...
Environmental chemistry is the scientific study of the chemical and biochemical phenomena that occur in natural places. It should not be confused with green chemistry , which seeks to reduce potential pollution at its source.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Environmental health is the branch of public health concerned with all aspects of the natural and built environment affecting human health. To effectively control factors that may affect health, the requirements that must be met to create a healthy environment must be determined. [ 1 ]