That being said, everyone wants the cabin temperature in their sauna to be warm as it is more comfortable to sit in and it helps raise core body temperature. (infraredsauna.com)
Normally, the body takes small changes in core body temperature in stride. (sciencenews.org)
When core body temperature rises too high, everything breaks down: The gut leaks toxins into the body, cells begin to die, and a devastating inflammatory response can occur. (scientificamerican.com)