Cheaper seats clogged veins
long distance air travel in the cramped seats of economy class can cause fatal blood clots, confirm doctors at Ulleval University Hospital in Oslo, Norway. A study by the clinic at Tokyo's Narita airport showed that in the past eight years 25 passengers had died due to blood clots after arrival at the airport.
About 100-150 passengers arriving in Tokyo are treated each year for blood clots, a problem dubbed the