publichealthcarejournal

June 10, 2019

Disease Surveillance

Disease surveillance is an epidemiological practice by which the spread of disease is monitored in order to establish patterns of progression. The main role of disease surveillance is to predict, observe, and minimize the harm caused by outbreak, epidemic, and pandemic situations, as well as increase knowledge about which factors contribute to such circumstances. A key part of modern disease surveillance is the practice of disease case reporting.

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June 7, 2019

Evolutionary Psychology

Evolutionary psychology is a theoretical approach in the social and natural sciences that examines psychological structure from a modern evolutionary perspective. It seeks to identify which human psychological traits are evolved adaptations – that is, the functional products of natural selection or sexual selection in human evolution.

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June 7, 2019

Tobacco Smoking

Tobacco smoking is the practice of smoking tobacco and inhaling tobacco smoke. The practice is believed to have begun as early as 5000–3000 BC in Mesoamerica and South America. Tobacco was introduced to Eurasia in the late 17th century by European colonists, where it followed common trade routes. The practice encountered criticism from its first import into the Western world onwards but embedded itself in certain strata of a number of societies before becoming widespread upon the introduction of automated cigarette-rolling apparatus.

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June 6, 2019

Non-Communicable Disease

A non-communicable disease is a disease that is not transmissible directly from one person to another. NCDs include Parkinson’s disease, autoimmune diseases, strokes, most heart diseases, most cancers, diabetes, chronic kidney disease, osteoarthritis, osteoporosis, Alzheimer’s disease, cataracts, and others. NCDs may be chronic or acute. Most are non-infectious, although there are some non-communicable infectious diseases, such as parasitic diseases in which the parasite’s life cycle does not include direct host-to-host transmission.

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June 6, 2019

Concierge medicine

Concierge medicine is a relationship between a patient and a primary care physician in which the patient pays an annual fee or retainer. This may or may not be in addition to other charges. In exchange for the retainer, doctors agree to provide enhanced care, including principally a commitment to limit patient loads to ensure adequate time and availability for each patient.

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June 6, 2019

Antibiotic resistance

Antibiotic resistance, loss of susceptibility of bacteria to the killing (bacteriocidal) or growth-inhibiting (bacteriostatic) properties of an antibiotic agent. When a resistant strain of bacteria is the dominant strain in an infection, the infection may be untreatable and life-threatening.

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June 6, 2019

Typhoid fever

Typhoid fever, also called typhoid, acute infectious disease caused by the bacterium Salmonella enterica serovar Typhi. The bacterium usually enters the body through the mouth by the ingestion of contaminated food or water, penetrates the intestinal wall, and multiplies in lymphoid tissue; it then enters the bloodstream and causes bacteremia.

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June 4, 2019

Nutrient

Nutrient, substance that an organism must obtain from its surroundings for growth and the sustenance of life. So-called nonessential nutrients are those that can be synthesized by the cell if they are absent from the food. Essential nutrients cannot be synthesized within the cell and must be present in the food. In some animals, microorganisms living in the gut may synthesize essential nutrients, which are then released into the bloodstream. In most living organisms, nutrients provide not only the energy necessary for certain vital processes but also the various materials from which all structural and functional components can be assembled.

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June 4, 2019

Tumour

Tumour, also spelled tumor, also called neoplasm, a mass of abnormal tissue that arises without obvious cause from preexisting body cells, has no purposeful function, and is characterized by a tendency to independent and unrestrained growth. Tumours are quite different from inflammatory or other swellings because the cells in tumours are abnormal in appearance and other characteristics.

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June 3, 2019

Intellectual disability

Intellectual disability, also called developmental disability or mental retardation, any of several conditions characterized by subnormal intellectual functioning and impaired adaptive behaviour that are identified during the individual’s developmental years. Increasingly, sensitivity to the negative connotations of the label mentally retarded prompted the substitution of other terms, such as mentally challenged, developmentally disabled, and cognitively impaired, with the term intellectually disabled achieving wider currency in the 21st century.

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