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You are looking at 21-40 of 2,240 items for:

Overview x Medicine and Health x Public Health and Epidemiology x clear all

acrylonitrile

Overview page. Subjects: Public Health and Epidemiology.

A colorless, volatile, highly reactive liquid with many industrial uses, e.g., in the manufacture of acrylic fibers, rubberized compounds. It is an ingredient of tobacco smoke. It is highly...

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ACT UP

Overview page. Subjects: Public Health and Epidemiology.

Acronym for AIDS Coalition to Unleash Power, an activist advocacy group that seeks to enhance control measures against the HIV/AIDS epidemic by aggressive public action. There are ACT UP...

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actinic keratosis

Overview page. Subjects: Plastic and Reconstructive Surgery — Public Health and Epidemiology.

Precancerous epidermal thickening and scaly lesions caused by exposure to solar radiation, occurring especially in fair-skinned people. The occurrence of these lesions is an indication for...

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actinic radiation

Overview page. Subjects: Chemistry — Public Health and Epidemiology.

Electromagnetic radiation that is capable of initiating a chemical reaction. The term is used especially of ultraviolet radiation and also to denote radiation that will affect a...

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activated charcoal

Overview page. Subjects: Clinical Pharmacology and Therapeutics — Public Health and Epidemiology.

A preparation of charcoal that can adsorb toxicants, e.g., narcotics, chlorine gas. It is used in water filtration devices to remove organic chemical contaminants from drinking water and as...

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activism

Overview page. Subjects: Public Health and Epidemiology.

The policy and practice of taking energetic action to right perceived wrongs that afflict society or a particular group. Activism is commonly directed to causes such as improving facilities...

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activities of daily living

Overview page. Subjects: Public Health and Epidemiology.

(ak-tiv-it-iz)

the routine activities that an individual does for himself during the course of the day, such as eating, drinking, and washing. See Roper, Logan, and Tierney model.

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activity limitation

Overview page. Subjects: Public Health and Epidemiology.

Restriction or inhibition of a usual activity considered to be essential for independent living, e.g., dressing, bathing, food shopping. This can be due to disease, injury, or treatment,...

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activity status index

Overview page. Subjects: Public Health and Epidemiology.

A simple set of 12 questions on physical activity and function developed at Duke University, Durham, North Carolina, that assesses ability to walk, run, do housework, take part in strenuous...

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actuarial statistics

Overview page. Subjects: Public Health and Epidemiology.

Statistical data on mortality, life expectancy, or risk of death in a defined population. When this population comprises the policy-holders of a life insurance corporation, commonly used to...

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acute radiation syndrome

Overview page. Subjects: Public Health and Epidemiology.

A condition that affected atomic bomb survivors and those close to nuclear reactor accidents. Severity varies with exposure. Above 500 cGy there is bone marrow depression, hemorrhagic...

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adiposity

Overview page. Subjects: Public Health and Epidemiology.

Overall expansion of body fat, often with depletion of muscle mass, physical strength, and agility. It should be distinguished from obesity, which is expansion of body mass involving fat...

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adjustment

Overview page. Subjects: Public Health and Epidemiology — Environmental Science.

Change or adaptation within a system that serves to accommodate the factor(s) that are promoting the change and produce a new equilibrium. A system changes when it is forced to, otherwise...

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administration

Overview page. Subjects: Public Health and Epidemiology.

Management, supervision, and evaluation of an organization, institution of society, service, social system, or component of the health care system. This is the usual way most organizations...

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adolescent behavior

Overview page. Subjects: Public Health and Epidemiology.

Many adolescent behavior patterns are, perhaps subconsciously or instinctively, aimed at enhancing sexual attractiveness and/or self-image or are a response to peer pressure. Some of these...

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adolescent health

Overview page. Subjects: Public Health and Epidemiology.

Adolescence, a time of physical growth, physiological change, psychological and psychosexual development, is a period of heightened vulnerability to disease and injury that justifies...

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adoptive parent

Overview page. Subjects: Public Health and Epidemiology.

Adult(s) usually unrelated by blood ties who assume legally conferred authority and responsibility for the upbringing and well-being of one or more child(ren).

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adulterants

Overview page. Subjects: Public Health and Epidemiology.

Substances added deliberately or inadvertently to food or milk, e.g., to dilute it or alter its flavor. Most adulterants are undesirable, harmful, or dangerous; some are illegal. When they...

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aerodynamic particle size

Overview page. Subjects: Public Health and Epidemiology.

The size of a sphere of uniform density that has the aerodynamic properties of a specified particle. This particle size determines the period of time that a small body can remain suspended...

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aerospace medicine

Overview page. Subjects: Public Health and Epidemiology.

The branch of medical specialization that focuses on the health of air crews and passengers in aircraft and space vehicles and their support personnel. Aerospace medicine emphasizes applied...

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