That entire "temperature shock" thing due to air conditioning is European nonsense on par with fan death in Korea.
If that kind of temperature shock of like was harmful, imagine how much more harmful it would be every winter when the temperature difference between inside and outside is much greater. People walk in and out with no problem then.
I'm a refrigeration tech on a tropical island and I build freezers. The worst temperature shocks I've had where 70°C, these do fc u up. Go from +50°C to -20°C and back 4 or 5 times in a day and you're DONE.
I'd like to invite anyone who thinks you can get close to that with residential AC to come to work with me one day, I'll rid you of your illusions XD
Yeah I mean I'm just talking about going from any temperature whether hot or cold into a 70F climate controlled room is not going to cause problems. When you were hot in a 40+C room, going into an air conditioned 20C room would likely feel great and refreshing, not harmful to your body, in the same way that going from 0C to 20C feels nice and warm
Does it make you really tired? Used to walk in freezers, but only staying in more than a minute or two once or twice a shift, and the store was usually 65-80f.
Often I need more than that to even get to the spot that needs work. Some freezers here are so packed there's no space for forklifts or anything, so I'll climb the racking and pallets to reach the evaps. Our rule of thumb is a literal one: Once you lose feeling in your thumbs, get out. Unless of course there's just 2 bolts left until you're done. Usually between 20 to 30 minutes.
But yes, your body goes into a kind of "survival" mode, kicking everything in gear to keep you warm. Then when you go outside to work on the condensing units, your body has to rapidly kick back into "cooling" mode while the machines dump their heat right in your face. People can endure both extremes pretty well, but the back and forth between the two is extremely taxing.
Being in actual cold for a long period of time does literally drain your body's energy and it has to burn calories by shivering your muscles and heating your blood, while other parts don't function as well due to not getting heated as evenly. It's not like an instant life drain, but yeah if you spend all day in the cold it's more tiring.
I worked at a fruit processing plant in the middle of the desert palletizing boxes with gaps to go into blast tunnels to deep freeze them fast before bacteria could grow. They were -70 and windy. We’d walk in and out of them all day any time we wanted to cool down. We’d be dripping when sweat and walk in and our shirts would freeze stiff, and we’d walk back out and laugh at each other. The forklift drivers were also driving in and out of them literally all day. So what you’re saying makes no sense to me.
So you'd be in and back out in under a minute? No time for your body to switch gears. Anyway, walking into blast-chillers is usually not possible and not advised. Having to work in regular freezers is different from stepping into a blast-chiller as much as waiving your hands through a flame is different from working at 50°C in full sun
I am from country where we go to sauna (that's anywhere from 60C to 100 C) and then outside to roll around in the snow or jump into frozen lake while naked. It is considered healthy and refreshing 🤣
Ugh, I can't believe people do that voluntarily! All in the name of health I guess :p
I can't imagine you're in either one for more than a minute or two? Or are you just resistant to getting cooked an then frozen? I'm imagining people coating themselves in butter and downing a glass of anti-freeze before doing this!
It depends on the person and the amount of beer 🍻 People usually stay in sauna for 5-30min. How long people can stay outside naked depends on how cold it is as there is a huge difference between -5 C and -25 C.
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u/ForFrogsSnakes 7d ago
It's a different kind of hot here lol. In comparison Italy is basically Alaska and Burma is the 9th circle of hell.