Physiological or psychological effects of periods of work which may be fixed or flexible such as flexitime, work shifts, and rotating shifts.
The selection, appointing, and scheduling of personnel.
Women who are engaged in gainful activities usually outside the home.
Dyssomnias associated with disruption of the normal 24 hour sleep wake cycle secondary to travel (e.g., JET LAG SYNDROME), shift work, or other causes.
Productive or purposeful activities.
Progressive diminution of the susceptibility of a human or animal to the effects of a drug, resulting from its continued administration. It should be differentiated from DRUG RESISTANCE wherein an organism, disease, or tissue fails to respond to the intended effectiveness of a chemical or drug. It should also be differentiated from MAXIMUM TOLERATED DOSE and NO-OBSERVED-ADVERSE-EFFECT LEVEL.
A schedule prescribing when the subject is to be reinforced or rewarded in terms of temporal interval in psychological experiments. The schedule may be continuous or intermittent.
The total amount of work to be performed by an individual, a department, or other group of workers in a period of time.
Care of CHILDREN in the home or in an institution.
The promotion and maintenance of physical and mental health in the work environment.
The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc.
The state of being deprived of sleep under experimental conditions, due to life events, or from a wide variety of pathophysiologic causes such as medication effect, chronic illness, psychiatric illness, or sleep disorder.
A readily reversible suspension of sensorimotor interaction with the environment, usually associated with recumbency and immobility.
The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, and feeding.
The state of being engaged in an activity or service for wages or salary.
The state of weariness following a period of exertion, mental or physical, characterized by a decreased capacity for work and reduced efficiency to respond to stimuli.
Diseases caused by factors involved in one's employment.
Unforeseen occurrences, especially injuries in the course of work-related activities.
Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience.
A test to determine the ability of an individual to maintain HOMEOSTASIS of BLOOD GLUCOSE. It includes measuring blood glucose levels in a fasting state, and at prescribed intervals before and after oral glucose intake (75 or 100 g) or intravenous infusion (0.5 g/kg).
Elements of limited time intervals, contributing to particular results or situations.
Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.
Stress wherein emotional factors predominate.
An induced state of non-reactivity to grafted tissue from a donor organism that would ordinarily trigger a cell-mediated or humoral immune response.
Family in the order COLUMBIFORMES, comprised of pigeons or doves. They are BIRDS with short legs, stout bodies, small heads, and slender bills. Some sources call the smaller species doves and the larger pigeons, but the names are interchangeable.
Schedule giving optimum times usually for primary and/or secondary immunization.
A listing of established professional service charges, for specified dental and medical procedures.
The strengthening of a conditioned response.
Learning situations in which the sequence responses of the subject are instrumental in producing reinforcement. When the correct response occurs, which involves the selection from among a repertoire of responses, the subject is immediately reinforced.
A vine (Uncaria tomentosa) indigenous to the Amazon rainforest whose name is derived from its hook-like thorns. It contains oxindole alkaloids and glycosides and has many medicinal uses.
Educational institutions providing facilities for teaching and research and authorized to grant academic degrees.
Large natural streams of FRESH WATER formed by converging tributaries and which empty into a body of water (lake or ocean).
Individuals enrolled in a school or formal educational program.
A family of RNA viruses, mainly arboviruses, consisting of two genera: ALPHAVIRUS (group A arboviruses), and RUBIVIRUS. Virions are spherical, 60-70 nm in diameter, with a lipoprotein envelope tightly applied to the icosahedral nucleocapsid.
Using an INTERNET based personal journal which may consist of reflections, comments, and often hyperlinks.
Voluntary SEXUAL INTERCOURSE between a married person and someone other than the SPOUSE.
Platforms that provide the ability and tools to create and publish information accessed via the INTERNET. Generally these platforms have three characteristics with content user generated, high degree of interaction between creator and viewer, and easily integrated with other sites.
A form of psychotherapy involving the husband and wife and directed to improving the marital relationship.
The sexual functions, activities, attitudes, and orientations of an individual. Sexuality, male or female, becomes evident at PUBERTY under the influence of gonadal steroids (TESTOSTERONE or ESTRADIOL), and social effects.
The social institution involving legal and/or religious sanction whereby individuals are joined together.
The act or practice of literary composition, the occupation of writer, or producing or engaging in literary work as a profession.
Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.
Loss of a limb or other bodily appendage by accidental injury.
Persons including soldiers involved with the armed forces.
A conflict occurring from 1954 through 1975 within the Republic of Vietnam. It involved neighboring nations and the United States and other members of the Southeast Asia Treaty Organization.
Multinational coalition military operation initiated in October 2001 to counter terrorism and bring security to AFGHANISTAN in collaboration with Afghan forces.
An armed intervention involving multi-national forces in the country of IRAQ.
A generic concept reflecting concern with the modification and enhancement of life attributes, e.g., physical, political, moral and social environment; the overall condition of a human life.