From Discovery Channel: Study: Jesus Died From Blood Clot A blood clot killed Jesus three to six hours after he was nailed to the cross, according to an Israeli researcher. Challenging the popular belief that Jesus died as a result of blood loss, the study pointed to pulmonary embolism, a fatal disorder now associated with long-haul flights, as Jesus' cause of death. A blood clot, which usually occurs in the deep leg veins and then travels to the lungs, is often the result of being in a cramped position for long periods. It can also stem from multiple trauma and dehydration. FULL ARTICLE HERE Either way you look at it, either blood loss or a blood clot, it's a extremely painful way to die.