Is Air Conditioning a Luxury?

For many users, perhaps particularly in north america, a air conditioning is a daily luxury. A modest levels of humility, temperatures in the mid thirties, can be lethal. If you engage in strenuous activity and need to perspire and can't, your body loses its ability to self regulate and you die of heat stroke. And it's true, historically, that parts particular of the affluent, hot tropical world have acquired the economic, social, demographic significance they have only since air toning has arrived.