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What Actually Happens to Your Body When You Jump Into Cold Water

Your body's cold water shock response is more intense than most people realize 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 more intense than most people realize Have you ever jumped into cold water and felt your heart race — what did it feel like?

Transcript

One second in cold water changes everything. Cold shock triggers an instant gasp — you can't stop it. Heart rate can spike dramatically — and that's where the real risk is. Many cold-water drownings happen in that first panicked minute or two. Know the risks before you get in — follow for more.