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

Your body's first reaction to cold water has nothing to do with temperature Have you ever jumped into cold water and felt your heart race — what did it feel like?

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Your body's first reaction to cold water has nothing to do with temperature Have you ever jumped into cold water and felt your heart race — what did it feel like?

Transcript

Cold water can stop your breath. Skin receptors fire instantly, forcing a gasp. Heart rate spikes and drops at the same time — that conflict can cause arrhythmia. Follow for more on what your body does under stress.