You don’t have to be wandering in an arctic wasteland to die of hypothermia. This slow, cold method of demise can happen at temperatures above freezing, and it can even happen in your own apartment, house, or snowbound vehicle. If the heat goes out, the cold can kill within hours, and it does so without prejudice or preference, taking young and old, fit and fat, healthy and ill alike. Want to make the right choices in frosty weather? Then don’t fall for these four common myths about staying warm.