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What happens to your body the second you jump into cold water

Your body's cold water shock response is wilder than you think Have you ever jumped into cold water and felt your heart race — what did it feel like?

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Your body's cold water shock response is wilder than you think Have you ever jumped into cold water and felt your heart race — what did it feel like?

Transcript

The second you hit cold water, everything changes. Your body gasps involuntarily — you can't stop it. Heart rate spikes and hyperventilation kicks in — that combo can be genuinely risky. Follow for more wild facts about your body.