Extended for being immobile during the long-haul air travel increases the risk of developing blood clots, report medical researchers in the Mayo Clinic Proceedings. Long-haul air travel may develop Deep Vein Thrombosis (DVT), the formation of a blood clot within one of the large, deep veins of the pelvis or lower limbs.
As the blood clot breaks into smaller pieces, it floats in the blood and becomes tight in the blood vessels, supplying the lungs, a pulmonary embolism, lead to sudden death.

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