And yet coagulation is the relevant thing to discuss when we talk about blood loss from surgery, which is all I am trying to address because I am uncomfortable with the fact that the journalist got his facts exactly wrong. Being cold during surgery makes you bleed more. You and others have noted that cold causes constriction of blood vessels, so if that were the driving fact during surgery, cold would be beneficial. In fact, it is not. The decreased effectiveness of the clotting cascade outweighs the decrease in peripheral blood flow, leading to increased blood loss due to cold. The journalist stated something as fact, and then tried to explain why it was so. But he started from a false fact.