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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.
19 January 2019
Every three seconds, someone in the UK has an asthma attack - new figures show.
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18 January 2019
A plant-based diet is needed to protect future generations and safeguard the wellbeing of the planet, according to experts.
17 January 2019
Campaigners are protesting outside the High Court in London as the legal challenge against Heathrow Airport's controversial expansion ramps up.
16 January 2019
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15 January 2019
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12 January 2019
All UK airports should buy anti-drone technology and not rely on the Royal Air Force to help out, Defence Secretary Gavin Williamson has said.
10 January 2019
The military was brought in on Tuesday night after police officers saw a drone operating at Heathrow Airport, forcing departures to be suspended for an hour.
11 January 2019
A so-called "drug sponge" that mops up leftover drugs from cancer treatment could improve the effectiveness of chemotherapy, new research has claimed.
09 January 2019
A hormone released during exercise could help protect the brain from Alzheimer's disease, new research suggests.
08 January 2019
Ryanair has been labelled the worst airline operating in the UK for the sixth year running in a leading consumer group survey.
05 January 2019
Anti-drone technology will be deployed at the UK's two busiest airports in response to the disruption caused before Christmas.
04 January 2019
A new cancer-detecting breathalyser test is being trialled in the UK - in a move that could revolutionise the way the disease is diagnosed.