You can acclimatize to pretty high heat levels. Europe gets to 35C and people die. In poorer SE Asian countries they have no AC and temperatures regularly hit

You can acclimatize to pretty high heat levels. Europe gets to 35C and people die. In poorer SE Asian countries they have no AC and temperatures regularly hit 35C with far more humidity, but they do just fine. Hell, you see workers doing construction work in full gear at those temperatures.