HEAT AND YOUR HEAD

Country Walking Magazine (UK) - - Advice -

It’s a myth that humans lose most of their heat through their heads. You only give off about

10% of your heat through your head, and mostly be­cause it has so many small blood ves­sels run­ning close to your scalp. But be­cause the blood is be­ing cooled and then re­turn­ing to your body, not wear­ing a hat can make quite a dif­fer­ence to your tem­per­a­ture. In­ter­est­ingly, a cold head won’t in­duce shiv­er­ing, so it’s of­ten dif­fi­cult to sense when you’re los­ing heat that way.

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