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Mary Steichen Calderone, M.D.
JAMA. 1957;165(17):2220. doi:10.1001/jama.1957.02980350078027.
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To the Editor:—  In the Oct. 12 issue of The Journal, page 681, Meyer Naide writes of venous thrombosis in the legs after prolonged television viewing. In the body of the article, he recalls the same condition after long automobile drives. To my knowledge, no one had mentioned the situation in long trips in airplanes. The seats are small, leg room is cramped, and there is little place to go as compared to a train. Furthermore, it is almost impossible to elevate the legs, and patients having a history of circulatory difficulty tend to reach their destination, after a 10-or-12-hour ride, with swollen, painful limbs. Many planes do not have supports for the feet, and even when they are present they are inadequate; thus people with short legs suffer prolonged pressure of the seat edge, whereas those with long legs must sit with the legs jackknifed. Perhaps plane seats could


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