In the mid 1770s, a group of English physicians…

In the mid 1770s, a group of English physicians conducted experiments to investigate the limits of human survival in extreme temperatures. They took turns exposing themselves to temperatures as high as 260F/127C in specially heated rooms. Through their research, they were able to demonstrate the connection between perspiration and the body‘s ability to regulate heat.

The average human body temperature…

The average human body temperature has been dropping by 1/20 of a degree Fahrenheit per decade, since being established as 98.6 in 1851. The reason is improved health and thus reduced population-level inflammation; heat is a symptom of inflammation.