If the individual knows that he or she can control the noise, this seems to eliminate both its negative effects at the time and its after-effects.

如果有人知道他或她可以控制噪音的话，或许可以同时消除当下和后续的负面影响。

youdao

The report said it was unclear whether the changes in the brain - an increase in glucose metabolism after using the phone for less than an hour - had any negative health or behavioral effects.

报道说目前尚不清楚大脑的变化是否对健康或行为有负面影响——接听电话不到一个小时就会引起葡萄糖代谢的增加。

youdao

After age two, the negative effects of undernutrition are largely irreversible.

两岁以后，营养不良造成的副作用将是不可逆转的了。

youdao

And one academic review of more than 600 employee-feedback studies found that two-thirds of appraisals had zero or even negative effects on employee performance after the feedback was given.

WSJ: Performance Reviews Lose Steam

What is the temperature rise, after the effects of both positive and negative feedbacks, from a doubling of atmospheric CO2-e?

FORBES: Not Quite Professor Krugman, Not Quite