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Topic: Jet lag

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	Jet lag
		Jet lag, also called time zone change syndrome, is no respecter of persons — anyone can get it, even children though people over 50 are more susceptible.
		Jet lag is considered such a pervasive problem for frequent fliers — including flight attendants and pilots — that at least one airline has hired a sleep specialist to help them cope.
		Jet lag occurs because crossing multiple time zones puts your internal clock, which regulates your sleep-wake cycle, out of synch with the time in your new locale.
	www.cnn.com /HEALTH/library/SL/00012.html (1242 words)

	Jet lag - Wikipedia, the free encyclopedia
		Jet lag, also jetlag or jet-lag, is a physiological condition which is a consequence of alterations to the circadian rhythm.
		The condition of jet lag generally lasts a few days or more, and medical experts have deemed that a recovery rate of "one day per time zone" is a fair guideline.
		However, since the experience of jet lag varies among different individuals, it is difficult to assess the efficacy of any single remedy.
	en.wikipedia.org /wiki/Jet_lag (740 words)

	Jet Lag - A Natural Remedy
		Jet lag (also known as desynchronosis) is a common sleep disorder and, most importantly, it is a symptom, or set of symptoms, and not a disease.
		Jet lag is caused by a significant and rapid change in time zones which result in a difference between the local time and time recorded by your body's internal clock.
		In the case of one particular jet lag diet, 'The Argonne Diet', evidence has been produced to support the claims made for the diet, however, the test group used for the study (a group of US National Guard soldiers) is hardly representative of the general traveling population.
	help-me-to-sleep.com /jet-lag/index.html (1382 words)

	Jet lag explained
		Jet lag is a real physical phenomenon that afflicts you any time you quickly cross more than two or three time zones.
		Jet lag is very real and can have a major (negative) impact on your business judgment and vacation enjoyment, as well as making the 'back home blues' even worse upon your return.
		Jet lag refers to the fact that your body has an internal ‘clock’ that largely determines when you want to be asleep and when you want to be awake – this internal clock takes time to reset itself if you’ve physically moved into a new time zone.
	www.thetravelinsider.info /2002/0510.htm (1383 words)

	Jet Lag
		The effect of melatonin on jet lag was evaluated in a randomized, double-blind trial of placebo versus three alternative regimens of melatonin (5 mg at bedtime, 0.5 mg at bedtime and 0.5 mg taken on a shifting schedule).
		Jet lag ratings were made on the day of travel from New York back to Oslo (six hours eastward) and for the next six days in Norway.
		The Columbia Jet Lag Scale was utilized to identify daytime symptoms of jet lag distress.
	www.uspharmacist.com /oldformat.asp?url=newlook/files/Feat/JetLag.htm&pub_id=8&article_id=891 (2391 words)

	Jet Lag - Healthinfochannel
		Jet lag, or desynchronosis, is a temporary condition that some people experience following air travel across several time zones in a short period of time.
		Jet lag creates a double bind for vacationers and business people who must cross several time zones to reach their destination, but who are also intent on maximizing sightseeing or productivity.
		For example, many symptoms attributed to jet lag are actually caused by the environment of the airplane--dry air (humidity in an airplane is very low), pressurization, noise, vibrations, and a cramped environment.
	www.healthinfochannel.com /jetlag (1089 words)

	Jet Lag
		Jet lag occurs when our internal body clock, which happens to have twenty five hours, becomes out of sync with that of our new destination.
		The "jet lag diet", which involves manipulating your food intake, caffeine intake and proportions of protein and carbohydrates, is a bit complicated to say the least.
		Jet lag is one of the joys of travel, right up there with motion sickness and lost baggage.
	www.comeunity.com /adoption/health/travel/jet-lag.html (792 words)

	Jet Lag: Online References For Health Concerns
		Jet lag is characterized by unpleasant symptoms, including insomnia, sleepiness, impaired performance, diminished alertness, irritability, depressed mood, and gastrointestinal distress (Waterhouse J et al 2005).
		Researchers have documented that jet lag affects the normal daily changes in blood pressure and heart rate, alters otherwise normal changes in body temperature, and disrupts the normal ebb and flow of the stress hormone, cortisol.
		Jet lag, which involves a disruption not only of the sleep-wake cycle but of melatonin secretion as well, is not to be underestimated as a potential threat to health.
	www.lef.org /protocols/lifestyle_longevity/jet_lag_01.htm (3286 words)

	Jet Lag — Avoid Jet Lag with the Anti-Jet-Lag Diet
		It helps avoid jet lag with a coordinated plan that combines a number of time-giving cues -- including alternate days of moderate feasting and fasting -- to help speed your adjustment to a new schedule.
		Jet lag is a feeling of irritability, insomnia, indigestion and general disorientation.
		Melatonin – A natural hormone that many claim combats jet lag, but research support for this claim is mixed and weak.
	www.antijetlagdiet.com /faqs.asp (2344 words)

	Jet Lag: How to Cope With It \| AHealthyMe.com
		Jet lag is an unfortunate by-product of the era of rapid air travel.
		Jet lag has caused many a diplomatic blunder, ruined countless athletic performances, and made for lots of poor business decisions.
		Researchers are investigating a simpler method of using diet to prevent jet lag based on the idea that foods high in carbohydrates, such as pasta, may promote sleep, while foods high in protein can help you stay awake.
	www.ahealthyme.com /topic/jetlag (988 words)

	Word Spy - social jet lag
		This means that well over half the population is effectively suffering from jet lag — even if they catch the bus to work.
		Jet lag and shift work, which can have the same effect, increase the risk of cardiovascular disease, certain cancers and all manner of other health problems.
		If the difference is an hour or two, then social jet lag isn't likely to be much of a factor in your life; if the difference is more like 7 or 8 hours or more, then you can expect to feel some symptoms of social jet lag.
	www.wordspy.com /words/socialjetlag.asp (463 words)

	BBC - Holiday - Travel tools - Jet lag (Site not responding. Last check: 2007-10-22)
		Jet lag can ruin the first few days of a long-awaited holiday, or make an important business trip seem impossibly demanding.
		The most important factor in jet lag is how many time zones you cross and travelling east seems to be worst for most people.
		Jet lag occurs when you cross over a number of time zones and disrupt the normal 'circadian' rhythms, which help you wake up in the morning and go to sleep at night - also known as the 'body clock'.
	www.bbc.co.uk /holiday/travel_tools/jetlag.shtml (410 words)

	National Sleep Foundation
		Until recently, jet lag was not treated as a medical condition.
		Jet lag occurs when the body's biological clock is out of sync with local time.
		In general, the severity of jet lag symptoms is directly related to the number of time zones crossed by a flight.
	www.sleepfoundation.org /sleeptionary/index.php?id=18 (271 words)

	Dealing With Jet Lag
		Jet lag is a term used to describe the fuzzy, out-of-sorts feeling that often follows a long flight, particularly when the traveler has passed through a different time zone.
		Although jet lag cannot be cured, there are some tips that may help to reduce the severity of symptoms.
		Another treatment for jet lag that has offered some success is the use of artificial lights to accelerate the adjustment of the body clock.
	www.healthatoz.com /healthatoz/Atoz/hl/sp/trvl/trajetlag.jsp (1316 words)

	Jet Lag Eliminator - How it works
		Jet Lag Syndrome is the term given to a number of symptoms* which we experience as a result of our body's normal rhythmic patterns being thrown askew when we cross many time zones very quickly.
		Jet lag occurs when our body's natural daily (circadian) rhythm becomes disoriented.
		Jet Lag Eliminator allows the air traveler to quickly identify these points and reset their own circadian rhythm thereby reducing, if not eliminating, the ill effects of jet travel.
	www.jetlag.net /howworks.htm (941 words)

	Jet Lag - Miminizing & Managing Jet Lag - SleepChannel
		There is no specific treatment for jet lag, but trying to adapt to the new time zone as soon as possible may help.
		Avoiding the factors that contribute to jet lag may be the best defense against it.
		Since sleep-wake disturbance is the most widely felt effect of jet lag, being well rested before travel can only help the body cope with the inevitable change in time zone.
	sleepdisorderchannel.com /jetlag/treatment.shtml (790 words)

	Health tips for your journey - tackling jet lag
		Although there is some debate about it, most people agree that jet lag is worse when travelling west to east.
		Scientists researched the effects of jet lag on a team of German gymnasts travelling across several different time zones and found that 11 days after their flight the gymnasts' blood pressures rose far higher after exercise than before they had travelled.
		The reason people experience jet lag to a lesser degree when flying east to west is that you are more likely to arrive at your destination in daylight.
	www.bupa.com.hk /eng/tips/jetlag.asp (799 words)

	InteliHealth:
		Jet lag is a type of sleep disorder that is a reaction to traveling between time zones.
		Symptoms of jet lag can be mild or severe, depending on the number of time zones you cross and your sensitivity to such changes.
		Jet lag is a mild problem that goes away on its own within several days.
	www.intelihealth.com /IH/ihtIH/WSIHW000/9339/31561.html (941 words)

	Jet lag - Better Health Channel.
		Jet lag is a combination of fatigue and other symptoms caused by travelling abruptly across different time zones.
		If you suffer badly from jet lag, it may be worthwhile considering a westerly travel route if possible.
		Jet lag is a type of fatigue caused by travelling across different time zones.
	www.betterhealth.vic.gov.au /bhcv2/bhcarticles.nsf/pages/Jet_lag (724 words)

	georgiabyte~Jet Lag
		Jet lag includes such physical symptoms as fatigue, insomnia, disorientation, swelling limbs, ear/nose/eye irritations, headaches, bowel irregularity and lightheadedness.
		Jet lag occurs because changes in time zones confuse the body's 24-hour inner clock known as "circadian rhythms." If you live in California, for example, and fly to New York, it is three hours later.
		Jet lag seems to be worse flying eastward.
	www.georgiabyte.com /jetlag.htm (1734 words)

	www.passportinfo.com Jet Lag and the International Traveler
		Jet lag is the disorientation a traveler feels after having crossed time zones.
		When you are jet lagged, your circadian clock is out of whack with the other indicators of local time.
		Some lucky people have little or no problems with jet lag as they have the inborn ability to easily reset their circadian clocks.
	www.passportinfo.com /jetlag.htm (899 words)

	Jet Lag
		Jet lag refers to the physical and mental effects the body suffers when traveling rapidly across numerous time zones.
		Jet lag reduction involves the adjustment of major time cues.
		Adjusting these time cues before and during travel can diminish the effects of jet lag and help the body reset its internal time clock to function in a new time zone.
	www.uwlax.edu /studenthealth/TravlingAbroad/jetlag.htm (645 words)

	Jet Lag Information on Healthline
		The foremost symptom of jet lag is altered sleep pattern—sleepiness during the day, and insomnia during the night.
		Once arriving in their destination city, individuals should spend as much time outdoors in the sunlight as possible during the day to reset their internal clock and lessen the symptoms of jet lag.
		Because sleeping in too late can also prolong jet lag, an early wake up call should be requested if an alarm clock is not available.
	www.healthline.com /galecontent/jet-lag (1000 words)

	Jet lag Encyclopedia of Alternative Medicine - Find Articles
		Jet lag is a condition marked by fatigue, insomnia, and irritability that is caused by air travel through changing time zones.
		The foremost symptom of jet lag is altered sleep pattern--sleepiness during the day, and insomnia during the night.
		Jet lag may also include indigestion and trouble concentrating.
	www.findarticles.com /p/articles/mi_g2603/is_0004/ai_2603000463 (967 words)

	Magellan's Travel Supplies
		Jet lag is one of the most common problems of modern jet travel.
		Medical evidence also shows that jet lag makes travelers more susceptible to colds, flu, and stomach upsets.
		The greatest cause of jet lag is rapid transit across world time zones.
	www.magellans.com /store/article/340?Args= (667 words)

	Jet Lag
		Jet lag is the feeling of fatigue, disorientation, and irritability you may experience after a long flight.
		While there are many factors that contribute to jet lag, such as drinking alcohol while flying and adjusting to cabin pressure, the main cause is crossing time zones.
		In addition to these suggestions, there are various medicinal products available that claim to reduce jet lag, such as No-Jet-Lag®, which costs about $10 for 32 tablets.
	www.zoomvacations.com /prjetlag.htm (603 words)

	Jet Lag (Site not responding. Last check: 2007-10-22)
		Essentially, this is the body's internal clock which roughly follows a 24-hour cycle and relies on light and dark to keep time or to "set".
		Jet lag occurs because the body's internal clock deep in the brain cannot react quickly to a change in the external day/night cycle.
		Because the cycle is not exactly 24 hours long, a daily adjustment has to be made to synchronise to the natural environment.
	www.fas.usda.gov /icd/south-africa/jet_lag.html (279 words)

	No Jet-Lag: Technical Specifications
		Jet lag is a complex condition which occurs when flying long distances.
		Children under three years do not suffer from jet lag, but they need plenty of fluid frequently to reduce dehydration.
		Irritability is one of the leading symptoms of jet lag and for children aged between 4-12 years one tablet every four hours is suitable.
	www.thesavvytraveller.com /tools/no_jet_lag/technical_specs.htm (612 words)

	CDC - Yellow Book: [6] Jet Lag - CDC Travelers' Health
		The term "jet lag" is used to describe the symptoms that result from a difference between the internal clock and the external environment when a traveler crosses several time zones rapidly.
		Symptoms of jet lag are temporary and include excessive daytime sleepiness, nighttime insomnia, decreased performance, headache, general malaise, and gastrointestinal symptoms.
		Assessing the efficacy of pharmaceuticals and nutraceuticals as countermeasures for jet lag.
	www2.ncid.cdc.gov /travel/yb/utils/ybGet.asp?section=NIR&obj=jet-lag.htm&cssNav=browseoyb (779 words)

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