Jumping into a refreshingly cold body of water on a hot summer day can feel wonderful, except for your nose. Why does it hurt so much when you get water up your nose? We're conducting a survey...
========== [♪ INTRO] So have you ever done a cannonball into a
swimming pool or a pond and accidentally, like, shot water all up into your brain through
your nose? Neauuhh, not a fan! And yet neti pots, those teapot-looking things
that people use to squirt water into their noses when they’re feeling stuffy, they’re,
like, soothing and relatively painless. Turns out, the difference has to do with the
conditions inside your nasal cavities. See, the inside of your nose, as you may have
noticed, is full of nerve endings. And not to get too up-close-and-personal here,
but it’s also pretty warm up there, and kind of salty, with a salt concentration of
about 0.9%. When you snort up fresh, cold swimming pool
water, it’s a shock to your system because it’s just...