Choosing a window seat on the plane increases the chance of deep vein thrombosis, it is claimed. Research suggests those sitting by the window face double the risk of a potentially deadly blood clot. The dangers are even greater for obese passengers, who are six times more likely to develop a blockage than if they sit next to the aisle.
You're at greater risk of developing a potentially fatal blood clot if you sit in the window seat during a long-haul flight, researchers say One theory for this is that passengers find it easier to fall asleep by a window.
Sleeping for several hours at a time during long-haul flights is known to raise the chances of a blood clot.
The problems come if the clot travels through the bloodstream to the lungs, where it can cause a pulmonary embolism. In a report, the researchers from Leiden University Medical Centre in the Netherlands said: 'Passengers in a window seat had a two-fold increase in risk compared to those in an aisle seat, while there was dating harley online increase in risk in those in middle seats.
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But preventative methods such as drinking water, made no difference, while 'the use of elastic stockings was associated with an increased risk of DVT, which is difficult to explain', the report in the British Journal of Haematology said. Having one alcoholic drink appeared to protect against clots, according to the study, which compared 80 DVT sufferers with 'healthy' travellers.
But Professor Jeremy Pearson, of the British Heart Foundation, said: 'There were not enough passengers in this study to conclude anything dramatic.