Fight-or-Flight Response – Why Is It Important?

The fight-or-flight response, also known as the acute stress response, refers to a physiological reaction that occurs in the presence of something that is terrifying, either mentally or physically. The response is triggered by the release of hormones that prepare your body to either stay and deal with a threat or to run away to safety.

The fight-or-flight response was first described in the 1920s by American physiologist Walter Cannon.

Cannon realized that a chain of rapidly occurring reactions inside the body helped to mobilize the body’s resources to deal with threatening circumstances.Today the fight-or-flight response is recognized as part of the first stage of Hans Selye’s general adaptation syndrome, a theory describing the stress response.

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