James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Both hot and cold environments trigger a stress response in the human body and can lead to cardiovascular problems. Physiologist Justin Lawley from the Department of Sport Science at the University of ...

The practice sounds almost medieval in its simplicity: alternating between hot and cold temperatures to heal the body. Yet temperature contrast therapy, switching between heat exposure and cold ...