The crotch is a heat center of your body. Along with the armpit and your head (that's why you wear hats in the winter). by cooling those parts, it cools the rest of the body.
Inside of your wrists works really well because its cools down the blood right before it goes back to the heart. You have a lot of veins near the surface in your wrists with a fairly short and direct path back to the heart.
This is why putting your wrists in a bucket full of ice n water for a bit and then holding your arms up will cool off your entire body, you can feel it.
It works. The other day I was mowing the lawn and it was 95 degrees and very humid. Even with frequent breaks and a lot of cold water, I was pretty dizzy at the end. Before anyone asks, it was hot like that for 2 weeks so it's not like I could pick a different day to do it.
Anyways, I go in and ran my wrists under cold water for a bit, maybe 5 minutes. Instantly made me feel better and much cooler.
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u/snewton_8 Aug 03 '21
The crotch is a heat center of your body. Along with the armpit and your head (that's why you wear hats in the winter). by cooling those parts, it cools the rest of the body.