Serena William’s illness created quite a stir in the sports world. Former number one world tennis champion is affected with pulmonary embolism. Pulmonary embolism is a blockage of the main artery of the lung or one of its branches by a substance that has traveled from elsewhere in the body through the blood stream. It is a result of deep vein thrombosis or clotting of blood in the body. Most commonly this clot is seen in the legs. Now the obvious question that arises is how does pulmonary emboli...
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