While cataracts can be removed surgically, there is no way to reverse damage to the macula, the area in the center of the retina.

白内障可以通过手术清除，但视网膜中间的损伤是无药可医的。

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One study showed that flavanols can reverse arterial damage caused by smoking.

一项研究表明，黄烷醇可以扭转由吸烟造成的动脉损伤。

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Second, it can reverse the early stages of acid damage by remineralizing areas that have started to decay.

其次，它能够通过矿化开始腐蚀的区域扭转早期的酸性伤害。

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How can we possibly change our ways enough to slow and even reverse the damage we have been doing?

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Now, no single step is the silver bullet that will reverse the damage done by the bubble-and-bust cycles that caused our economy into this slide.

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The results were consistent even among individuals who spent time every day exercising, meaning that exercise during other hours could not reverse the damage caused by extended inactivity.

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