压力并不总是一件坏事。它可以为您带来额外的精力和精力，例如在进行一项竞技运动或在公共场合发言时。但是，如果连续不断，它实际上开始改变您的大脑。

Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain.