Quote:
Originally Posted by Michael G.
I believe I read where anything above 90 degrees the human body cannot cool itself effectively and starts to shut down.
Around our house June through September, we try to do our lawn work before 8 - 9 a.m. and that's only one day a week.
Again, common sense prevails
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I think that is based on if the temperature outside your body is higher than the temperature inside your body heat will not escape, instead you body will be heated. However, at that point your body has the ability to sweat and when the sweat evaporates it cools your body. People live in Phoenix (I did) and there are steaks of temperatures above 100 everyday all day for up to 2 months. You can survive there if you drink enough, because you lose a LOT of water through sweating. It is not uncommon for people visiting Phoenix during one of those streaks to have heat strokes because they don't understand just how much water you need to drink.
So, my advice to everyone here, especially if you have migrated here from up north in the past couple years is to drink soon, before your are thirsty, drink often, even if you are not thirsty. It is far better to drink too much than too little in the summer. Carry a bottle of water with you if you are going to be outside. And drink a liter in no more than an hour. (Tip: Freeze a bottle of water and take it with you, then drink it as it melts)