I saw a short of a marathon in extreme heat. The runners got spray with water to cool them down. Does this replace the effect of sweating?
In: Biology
Spraying yourself with water have the exact same effect as sweating. It helps the body cool down in exactly the same way. However your body may not stop producing sweat even if you are submerged in water as the sweating is often determined by internal body temperature which may still be high. And you also use a lot of water when you are active for more then just sweating. So while being sprayed with water is a good thing when you are doing physical exercise you still need to drink water as well.
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