I'm from a tropical country with a lot of heat! I spent at least a full decade using air conditioning, which I used at its maximum power or capacity... If that's considered bad for my health, then my lungs are dead!! I remember in the afternoons after noon, when I left my room for the living room, I felt the hot air from outside hit my face, it felt like steam... And then I would quickly return to my room to watch my soccer game!