What actually happens to your body when you jump into cold water

In this reel

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

Jump in cold water — your body panics fast. First, an uncontrollable gasp — you can't stop it. Your heart rate can spike sharply — and here's the part most people miss. Cold shock can stress the heart — even in healthy, fit people. Follow for more on what your body does when pushed to its limits.