Published on Aug 2, 2018
At 35 degrees Celsius (95 F) and 100% humidity (at 100% humidity this temperature is called the wet-bulb temperature) the human body is unable to cool itself by sweating, since the sweat will not evaporate from the skin. As a result, the body core temperature rises, heat exhaustion and then heatstroke sets in. A physically healthy person sitting in the shade, in a well ventilated area, is dead in 6 hours. Higher temperatures, and correspondingly lower humidity do the same thing. The very young, old, people on medication, etc. succumb to less extreme temperatures and humidity. This video expands upon my last video, which explains how many regions around the planet are reaching these uninhabitable conditions.
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