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What Happens to Your Body the Second You Jump Into Cold Water

Your body goes through a wild chain reaction the moment you hit cold water Have you ever jumped into cold water — what was your first instinct?

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Your body goes through a wild chain reaction the moment you hit cold water Have you ever jumped into cold water — what was your first instinct?

Transcript

The second you hit cold water, everything fires. First: an uncontrollable gasp — before you choose to. And your heart rate can double — in under 30 seconds. But within minutes, your nervous system shifts — and calm takes over. Follow for more body science that'll actually surprise you.