jet lag trends and coping strategies pdf

Jet Lag Trends And Coping Strategies Pdf

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Jet lag syndrome: circadian organization, pathophysiology, and management strategies

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Waterhouse and T. Reilly and G. Atkinson and Ben R. Waterhouse , T. Edwards Published Medicine The Lancet. The number of travellers undertaking long-distance flights has continued to increase.

Such flights are associated with travel fatigue and jet lag, the symptoms of which are considered here, along with their similarities, differences, and causes. Difficulties with jet lag because of sleep loss and decreased performance are emphasised. View on Elsevier. Save to Library. Create Alert.

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Jet Lag Type. First jet lag symptoms after travelling across multiple time zones. View 1 excerpt, cites background. Highly Influenced. View 7 excerpts, cites background and results. Some chronobiological and physiological problems associated with long-distance journeys.

View 5 excerpts, cites background. Melatonin and its relevance to jet lag. Nutrition for travel. The prevention and treatment of jet lag. The stress of travel. Jet lag and air travel: implications for performance. Use of melatonin in recovery from jet-lag following an eastward flight across 10 time-zones. Jet lag: minimizing it's effects with critically timed bright light and melatonin administration.

Perception and predictability of travel fatigue after long-haul flights: a retrospective study. Circadian rhythms in airline pilots submitted to long-haul transmeridian flights. Bright light: a countermeasure for jet lag? Related Papers. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy , Terms of Service , and Dataset License.

Jet lag: trends and coping strategies

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Waterhouse and T. Reilly and G.

Global travel and international compe-tition are inevitable for the modern-day athlete and sports team. Jet lag can cause disarray for the individual athlete as well as for the whole team. Jet lag is caused by rapid transmeridian travel across different time zones, and is generally considered as a syndrome where the internal body clock is out of sync with the destination time zone. Its impact depends on the duration and direction of flight, the flight schedule, and individual differences. Jet lag tends to be transient and can result in physiologic disturbances and a complicated set of physical symptoms 1,2.

Published on Authors of this article:. Background: Airline passengers often experience symptoms when travelling on long and ultra-long flights. These range from minor discomforts such as gastrointestinal symptoms to more serious life-threatening clinical conditions such as deep vein thrombosis. The food and supplement industry have responded with a plethora of products that claim to prevent one or more of the physiological or psychological symptoms associated with air travel. Objective: The aim of this literature review is to evaluate the efficacy of functional foods, beverages, and supplements that claim to address the unwanted effects of air travel in healthy adult populations. Methods: This research is a two-stage process.


Jet lag: trends and coping strategies with travel fatigue and jet lag, the symptoms of which are considered here, along with their similarities.


Jet lag: symptoms, causation and minimization

When establishing risk, clinicians should first determine how many time zones the traveler will cross and what the discrepancy will be between time of day at home and at the destination. Rhythms then adjust gradually to the new time zone. A useful web-based tool for world time zone travel information can be found at www. The symptomatology of jet lag can often be difficult to define because of variation between people, but also because the same person can experience different symptoms after each flight.

View all 29 Articles. Air travel across several time zones, i. Anecdotally, these effects are often referred to collectively as jet lag, but they are actually two separate phenomena—travel fatigue and jet lag—each with their own causes and consequences Waterhouse et al. Travel fatigue refers to a collection of symptoms that occur during or immediately after long flights.

Jet lag is a physiological condition that results from alterations to the body's circadian rhythms caused by rapid long-distance trans-meridian east—west or west—east travel. For example, someone flying from New York to London , i.

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The circadian system regulates the cyclical occurrence of wakefulness and sleep through a series of oscillatory networks that comprise two different theoretical processes. The suprachiasmatic nucleus SCN of the hypothalamus contains the master oscillatory network necessary for coordinating these daily rhythms, and in addition to its ability to robustly generate rhythms, it can also synchronize to environmental light cues. During jet lag, abrupt shifts in the environmental light—dark cycle temporarily desynchronize the SCN and downstream oscillatory networks from each other, resulting in increased sleepiness and impaired daytime functioning. Polysomnographic data show that not only does jet lag result in changes of sleep—wake timing, but also in different aspects of sleep architecture. This type of circadian misalignment can further lead to a cluster of symptoms including major metabolic, cardiovascular, psychiatric, and neurological impairments.

Этой минуты ждали все жители города. Повсюду в старинных домах отворялись ворота, и люди целыми семьями выходили на улицы. Подобно крови, бегущей по жилам старого квартала Санта-Крус, они устремлялись к сердцу народа, его истории, к своему Богу, своему собору и алтарю. Где-то в уголке сознания Беккера звонили колокола.

 Как ты узнал про черный ход. - Я же сказал. Я прочитал все, что вы доверили компьютеру. - Это невозможно. Хейл высокомерно засмеялся. - Одна из проблем, связанных с приемом на работу самых лучших специалистов, коммандер, состоит в том, что иной раз они оказываются умнее. - Молодой человек, - вскипел Стратмор, - я не знаю, откуда вы черпаете свою информацию, но вы переступили все допустимые границы.

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Ее белая блузка промокла насквозь и прилипла к телу. Было темно. Сьюзан остановилась, собираясь с духом. Звук выстрела продолжал звучать у нее в голове. Горячий пар пробивался через люк подобно вулканическим газам, предшествующим извержению. Проклиная себя за то, что не забрала у Стратмора беретту, она пыталась вспомнить, где осталось оружие - у него или же в Третьем узле.

Сьюзан заколебалась, но все же поехала. По приезде группу сразу же разделили. Все они подверглись проверке на полиграф-машине, иными словами - на детекторе лжи: были тщательно проверены их родственники, изучены особенности почерка, и с каждым провели множество собеседований на всевозможные темы, включая сексуальную ориентацию и соответствующие предпочтения. Когда интервьюер спросил у Сьюзан, не занималась ли она сексом с животными, она с трудом удержалась, чтобы не выбежать из кабинета, но, так или иначе, верх взяли любопытство, перспектива работы на самом острие теории кодирования, возможность попасть во Дворец головоломок и стать членом наиболее секретного клуба в мире - Агентства национальной безопасности. Беккер внимательно слушал ее рассказ.

С течением времени этот метод преобразования текста был взят на вооружение многими другими и модифицирован, с тем чтобы его труднее было прочитать. Кульминация развития докомпьютерного шифрования пришлась на время Второй мировой войны. Нацисты сконструировали потрясающую шифровальную машину, которую назвали Энигма.

На полке с компьютерными деталями, спрятанными за накопителем носителей информации, лежала кружка выпускника Стэнфордского университета и тестер. Не коснувшись краев, он вытащил из нее ключ Медеко. - Поразительно, - пробурчал он, - что сотрудникам лаборатории систем безопасности ничего об этом не известно.

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