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What Happens to Your Body When You Swim in Cold Water

What cold water actually does to your body in the first 3 minutes Have you ever tried cold water swimming — and would you do it again?

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What cold water actually does to your body in the first 3 minutes Have you ever tried cold water swimming — and would you do it again?

Transcript

Cold water hits you — and your body panics. Heart rate spikes, breathing goes haywire — that's cold shock. But stay in past three minutes — something shifts. Norepinephrine — a key mood chemical — can surge dramatically. Follow — there's more wild body science coming.