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Alexa narrowly avoided a deadly car accident.

Why will the return from her fear response to a normal, calmer state take several minutes rather than be instantaneous?


Although the further release of stress hormones is halted, the hormones already released in her bloodstream will linger.


The sympathetic nervous system is slower to respond than the parasympathetic nervous system.


It takes longer for the heart rate and blood pressure to increase in a crisis than it does for them to decrease once the crisis is over.


Due to natural selection, our bodies tend to prefer highly aroused states and are reluctant to return to normal.


Because Alexa is a female, she secretes more stress hormones than a male, explaining why it takes longer for her to become calm.

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