Instead, it is typically triggered by acute emotion or physical trauma that releases a surge of adrenaline that overwhelms the heart.

相反，它通常由剧烈的情感或身体外伤引发，患者肾上腺素水平骤然升高，心脏不堪重负。

The constant surge of adrenaline is hard on our bodies.

不断激增的肾上腺素对我们的身体来说难以应付。

"Biologically, fight-or-flight behavior has two distinct stages, " the researchers wrote. "The short-term response [is] a surge in adrenaline production.

研究人员写道，“短期的回应[是]肾上腺激增。

This alarm sends a signal to your adrenal glands to release a surge of stress hormones, including adrenaline and cortisol.

这个警报传递出一个信号给肾上腺使其释放出大量的应激激素，包括肾上腺素和皮质醇。

It can be a slow painful death of our bodies turning on us because of the constant surge of adrenaline with immune dysfunction or it can be a quick one with a car accident.

它可以是身体上缓慢而痛苦的死亡，由于肾上腺素激增和免疫系统紊乱，也可以是一个很快的过程——一场车祸。