>So your body can get to higher temperatures whilst you have a longer period of tolerance of it. There is some question as to the safety of this for people who might not be of athletic ability etc. It likely will allow increased, often significantly, blood pressure.

Is it possible to use this effect to get the opposite result? that is, fooling the brain to perceive itself to be hotter than it is to overcharge the cooling mecanisms at the cost of an unpleasant feeling of heat?