Eli5: How do people not develop hyperthermia when participating in polar plunges?

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Popular travel vloggers, known for their adventures around the world, visit Iceland in the winter and decide to take a polar plunge in a freezing cold glacial lagoon. Despite the shock of the icy water, they both manage to stay in for a short period of time and emerge unharmed. How do they manage to avoid developing hyperthermia?

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Anonymous 0 Comments

If you are shivering you’ve reached the first stage of hypothermia.

Hypothermia has three stages with the first being so mild people don’t even realize it.

The second and third stage are concerning and serious but it takes time to get there.

A brief dip in very cold water and then getting out and warmed up it’s a concern for the vast majority of people.

If they stated in the water they would quickly move through the stages and would die but that’s not the goal so they don’t stay in the water long enough.

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