The video examines how hunting, predator threats and cave living among Pleistocene humans reinforced the fight-or-flight ...

Being cut off in traffic, giving a presentation or missing a meal can all trigger a suite of physiological changes that allow the body to react swiftly to stress or starvation. Critical to this "fight ...

The human stress response represents a sophisticated biological system designed to help individuals survive immediate threats through rapid physiological changes that enhance performance and ...

The key quality of pathological anxiety is that it is out of proportion to any actual threat. Why do people endanger their health by being extremely anxious in this way? One possibility is that a ...