Too much cortisol and adrenalin can result in physical problems and changes that lead to stress-related sickness.

VOA: special.2009.03.24

Most chemical changes, most physical changes don't happen in isolated systems.

但是大部分的化学反应,并不是发生在孤立系统中的。

麻省理工公开课 - 热力学与动力学课程节选

This idea that humans have evolved, that physical changes have occurred in humans as a consequence of their food environment, has led us to where we are now.

探讨人与食物的关系,探讨人类机体,由于食物环境而产生的变化,是我们今天坐在这里的原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

When left untreated,however, it can lead to changes in a person's physical appearance and even death.

VOA: special.2010.07.06

That's a physical process that causes some sorts of changes in the mental processes occurring in my soul.

这是一个物理过程,它造成了,我灵魂中心灵过程的改变

耶鲁公开课 - 死亡课程节选

Now he would just like to walk again. TBI can lead to physical disabilities as well as changes in mental ability, personality and behavior.

VOA: standard.2010.05.25