When you shiver, your fingers and toes go numb, or you get goosebumps in the cold, that's actually your body trying to keep you warm. Learn how it works -- and how you habituate to chilly temperatures over time -- in this episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous-system/body-learn-frigid-temperatures.htm
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