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What Happens to Your Body When You Splash Cold Water on Your Face

Splashing cold water on your face triggers a real survival reflex in seconds Have you ever noticed your heart rate drop after a cold splash — or is that just me?

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Splashing cold water on your face triggers a real survival reflex in seconds Have you ever noticed your heart rate drop after a cold splash — or is that just me?

Transcript

Cold water hits your face — your heart actually slows. Mammals — from seals to us — carry this ancient reflex. Cold on your face fires the vagus nerve — it brakes your heart rate. Next time stress spikes, try it. Follow for more body science.