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fatslob-:O said:
Chris Hu said:

No they are not you can survive extreme cold relvatively easily and its not that difficult to build a shelter to guard against extreme cold humans have been doing it for thousands of years.  The only problem with exteme cold is if you are stuck in it too long there is good chance you might loose some toes, fingers  or other body parts  due to frost bite.  But with extreme heat once you go into heat stroke or are dehydrated you will die pretty quickly without imeditate medical attention.  Most places that have numerous days above 40C would have less then 1/10 the population they have today without air conditioning since humans adapt a lot less to extreme heat then extreme cold.

A shelter isn't enough, especially in -40*C ... (while 40*C is far from comfortable at least homeostasis is less likely to fail you there since you have a realistic option of sweating able to cool you down whereas most people can't even sustain living in -20*C or let along fathom living in -40*C) 

You'd need some sort of reliable heating system to prevent falling into hypothermia condition ... (dying from dehydration is totally different to dying from a heat stroke) 

Even the CDC agrees with me that Americans are more likely to die from excessive exposure to cold temperatures than hot temperatures, in fact TWICE as likely! 

That's a report coming from an Agency whose full of medical professionals

Again people have survived in cold climates much longer then the have survived in extreme heat.  Humans being warm blooded makes them much easier to adapt to cold and very cold weather then extreme heat.  Cold blooded aminals survie and function well in hot and very hot weather but they can't function properly in cold weather and they only can survive very cold weather if they are able to hypernate.  There is more then enough clothing that can protect you from cold and extreme cloth but there is no clothing that can protect you properly from 110F or hotter weather without ac you are pretty much fucked if you are stuck in that kind of heat for to long.  Also most places where humans live never get to -40C.