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Psychological fatigue is defined as a subjectively experienced disinclination to continue performing the task at hand. It generally impairs human efficiency when individuals continue working after they have become aware of their fatigue. It does not depend on energy expenditure and. cannot be measured simply in terms of performance impairment. The interacting causal contributions to fatigue are the length of continuous work spells and daily duty periods, time available for rest and continuous sleep, and the arrangement of duty, rest, and sleep periods within each 24-h cycle. Empirical evidence for the separate and combined effects of these factors on fatigue, performance decrement, and accident risk are briefly reviewed, and the implications of these findings for driving and road safety are considered, with particular reference to the professional driver. This study shows that fatigue is insufficiently recognized and reported as a cause of road accidents and that its effects stem largely from prolonged and irregular working hours, rather than simply from time spent at the wheel.

Are we tired of worrying about bird flu? Just as preparations for a pandemic reach a critical point, fatigue may be setting in, leaving us dangerously exposed to a vicious virus. Adapted from the source document.

Fatigue (or stress) fracture of bone in military recruits has been recognized for many years. Most often it is a metatarsal bone that is involved but the tarsal bones, calcaneus, tibia, fibula, femur, and pelvis are occasionally affected. Reports of such fractures in the ribs, ulna and vertebral bodies may be found in the literature.

Zusammenfassung. Die tumorbedingte Fatigue ist ein verbreitetes und den Patienten sehr belastendes Syndrom im Rahmen der Krebserkrankung und -therapie. Tumorbedingte Fatigue (im angloamerikanischen Sprachraum als cancer-related fatigue, CRF, bezeichnet) geht einher mit dem subjektiven Gefühl von physischer und mentaler Müdigkeit, Erschöpfung, Energieverlust und wenig Möglichkeiten der Erholung. Es geht weit über das "normale" Maß an Erschöpfung hinaus, was gesunde Personen erleben. Tumorbedingte Fatigue kommt als Folge der Krebserkrankung selbst und als Nebeneffekt der Krebstherapie vor. Das genaue Ursachengefüge ist jedoch bislang nicht genau geklärt. Zum Diagnosezeitpunkt leiden bis zu 40%, im weiteren Verlauf der Krebsbehandlung mehr als 90% der Patienten unter tumorbedingter Fatigue. Unter der Strahlentherapie tritt die tumorbedingte Fatigue bei über 90%, während der Chemotherapie bei bis zu 80% der Betroffenen auf. Tumorbedingte Fatigue neigt zur Chronifizierung auch nach Abschluss der Therapie und ist dann umso belastender für die Patienten, da eine Ursachenzuschreibung erschwert ist. Die Beeinträchtigungen durch die tumorbedingte Fatigue sind beträchtlich, die Lebensqualität, das psychische Wohlbefinden so wie die Teilhabe am Alltagsleben und die berufliche Leistungsfähigkeit sind in aller Regel massiv eingeschränkt. Trotz dieser hohen Relevanz für Patienten und Behandler hat sich die Forschung über tumorbedingte Fatigue, im Vergleich zu anderen Begleitsymptomen der Krebserkrankung und -therapie, erst in den letzten Jahren intensiviert. Die vorliegende Arbeit gibt einen systematischen Überblick über epidemiologische Grundlagen, krankheitsbegleitende Aspekte sowie evaluierte nicht-medikamentöse Interventionen und ihren Stellenwert innerhalb der Behandlung tumorbedingter Fatigue.

The fatigue of EU enlargement became a constant of the current political debates. There are many factors that tend to account for a break in the enlargement process such as: the reintroduction of the criteria of EU capacity absorption and the supplementary political requirement for the Western Balkans that are making the accessions conditions difficult. One should not forget that the EU member states have also the possibility to oppose their veto to any further accession. Moreover, with the difficulties of ratification of the Lisbon Treaty and the recent financial crisis the EU is not ready to pursue the enlargement process. The candidate states hope to join the EU as soon as possible but the Union is in need of a deep institutional reform before any other enlargement will occur. However, if the EU continues to keep the candidate countries apart, it is not impossible to witness another fatigue - the one of the permanent reform in the aspirant countries.

This article takes the emotion of fatigue both as its analytical object as well as a methodological tool to engage in a reflexive ethnography, to question the categorical borders of researcher, researched and the field, in the politicised context of migration studies. I do so by drawing on ethnographic material collected during my fieldwork between Athens, Hamburg and Copenhagen in 2019-2020. This article's theoretical and conceptual framing is informed by feminist scholarship on emotions, as well as decolonial scholarship in migration studies. By bringing these theoretical threads into the conversation, I study the different qualities of fatigue, amongst others the collective; how fatigue circulates in and through the ethnographic field; and how it shapes relations between refugees, humanitarian aid workers, activists and researchers such as me. Following fatigue across and through its many different instances in this reflexive ethnography of emotions lays bare the uneven emotional geographies that exist and are (re-)produced in the encounters between actors in Europe's migration control field.

Abstract
This essay explores the ways that teleological narratives of transition come coupled with corresponding affective narratives that frame life "pre" transition as characterized by a reductively bleak emotional surround and cathect life "post" transition to a bright-sided promise of social ease, domestic comfort, and existential peace. Building on Lauren Berlant's theorization of cruel optimism and the work of Tobias Raun and Laura Horak on video narratives of hormonal and surgical transition, I position the figuration of futurity in these narratives as generative of a form of intense anticipatory anxiety in the present, one that may actually impede the flourishing of trans subjects, particularly those who encounter difficulty accessing technologies of transition. These teleological affective narratives generate an inhabitation of the present as a dwelling in lag—a form of being out of temporal sync, left behind, with the life one desires deferred (perhaps perennially). As an ameliorative to the effects of such cruelly optimistic futural narratives, I theorize a trans for trans (t4t) praxis of love, drawing on the fantastic and dystopic imaginaries at work in the fiction of Kai Cheng Thom and Torrey Peters to account for the creative and caring acts of trans intimacy that render life in the interregnum—in the moments during transition, which may very well not have a definite end—not only livable but also, sometimes, joyous.