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Good News for Frequent Flyers: “Economy Class Syndrome” Debunked

There is no evidence that sitting in economy class (as opposed to business or first class) increases your risk of developing deep vein thrombosis (DVT) – a blood clot that forms in a vein deep inside a part of the body. Sitting in a window seat does increase the risk, but only because there’s less room to move around. The College of Chest Physicians’ guidelines found that the chance of developing DVT in the month following a flight longer than four hours is one in 4,600 flights.1

1 Bates SM, Jaeschke R, Stevens SM, et al. Diagnosis of DVT : Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines. Chest 2012;141;e351S-e418S. Published online February 7 2012

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