These molecules can damage healthy body tissue, and antioxidants neutralise them.

这些分子有可能会对身体产生伤害，而抗氧化剂征稿可以阻止减缓这一过程。

youdao

Some current drugs damage healthy cells as well as the cancer, leading to hair loss and other side effects.

现在，很多药物同时伤害健康细胞和肿瘤细胞，使得出现头发脱落和其他副作用。

youdao

As an antioxidant, lycopene protects cell structures and DNA against the nefarious effects of free radicals-small particles that damage healthy cells and allow tumor cells to develop.

作为抗氧化剂，番茄红素可以保护细胞结构和DNA远离自由基的影响——自由基是一种会破坏健康细胞、使癌细胞扩散的微粒。

youdao

Although computer usage has not been conclusively shown to cause permanent damage to healthy eyes, there is evidence to suggest that small vision defects, which do not cause symptoms in everyday life, may start to cause problems when carrying out more visually demanding tasks.

BBC: Computer eye tests

The method also overcomes limitations posed by current treatments in which radiation may damage portions of healthy brain tissue.

ENGADGET: Researchers develop femtosecond laser that can diagnose, blast cancerous tumors

Since then, much as with Tony Blair in Britain (so far), Mr Clinton's greatest fiscal achievement has been to avoid doing damage to the fundamentally healthy economy he inherited from his political enemies.

ECONOMIST: Politics and the boom