3 ms·According to Mythbusters it warms your extremities by cooling your core.by Zebfross 5y agoAccording to Mythbusters it warms your extremities by cooling your core.SilverRed 5y agoWhich is the reverse of what you body tries to do since it has a greater chance of killing you.ashtonkem 5y agoBut a natural consequence of the fact that we only detect heat on our skin; we have no real way to measure our own core temperature without tools.