This makes sense if you remind yourself that the fight-or-flightresponse is meant to help you either defend yourself from a hungry predator or hightail it out of a dangerous situation -- running or brawling both require plenty of energy to fuel your muscl
This makes sense if you remind yourself that the fight-or-flightresponse is meant to help you either defend yourself from a hungry predator or hightail it out of a dangerous situation -- running or brawling both require plenty of energy to fuel your muscl
如果你曾经因为一部惊恐电影而害怕或者因为工程要到期了而在办公室里横冲直撞，你可能就很熟悉肾上腺素的症状：心跳频率快、血压增高、急促稀薄的呼吸。