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17 February 2012 08:51
Jet lag disturbs the sleep cycle and makes illness more likely, according to Yale researchers
Evidence has been found to suggest that you are more likely to become sick when jet-lagged.
A Yale School of Medicine study in the United States found that the circadian clock, which regulates the sleep cycle, also controls a key immune system gene that activates in the presence of bacteria and viruses.
The circadian clock is a delicately balanced genetic mechanism that regulates our sleep cycle and key metabolic changes. According to Yale University researchers it may also directly contribute to the likelihood of getting sick.
The scientists found that when levels of the Toll-like receptor 9 gene (TLR-9) were highest, the immune system response to vaccination was greatest and mice were best able to withstand infections.
Many people often say that when jet-lagged they feel more susceptible to illness and this may be the medical explanation. Travellers are advised to take out
medical travel insurance when flying across several time zones to help make sure their trip doesn't get off to the worst possible start.
06 December 2016
Eating a handful of nuts every day can help reduce your chances of suffering heart disease and other serious illnesses, scientists have claimed.
03 December 2016
Thousands of Britons could be heading off on snow-sports holidays without appropriate travel insurance cover, it has been warned.
01 December 2016
Pilots at German airline Lufthansa are on strike again after a two-day break in their campaign of walkouts.
02 December 2016
Britons are among the top spenders in Europe when it comes to holidays, new research has found.
30 November 2016
The UK should think about resuming flights to the popular tourism resort of Sharm el-Sheikh, according to a major United Nations agency.
29 November 2016
Plans are in place to develop a new aviation arrangement between the UK and US, to ensure holidaymakers can still fly between the two countries once Britain departs the EU.
26 November 2016
Hundreds of Lufthansa flights have been grounded after pilots working for the airline took part in a strike.
25 November 2016
The US is warning its citizens that Europe is facing a "heightened risk of terror attacks" at Christmas markets and other seasonal holiday events.
24 November 2016
A groundbreaking radiotherapy machine that can track the changing position of tumours in real time will soon be used to treat cancer patients in the UK.
23 November 2016
Top airline bosses are urging the government to scrap air passenger duty ahead of Wednesday's Autumn Statement.
22 November 2016
Winter sun is now the most popular holiday type, according to new research conducted by travel experts.
19 November 2016
A holiday price increase of 10% on trips to Europe could cause tourists to postpone their getaways next year, experts are warning.