This nasty free radical causes structural damage to your cells, and such damage is thought to be one of the primary causes of cancer.

这讨厌的自由基会导致你细胞的结构性破坏，这种损害被认为是患癌症主要原因之一。

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After determining the cause of hearing loss, the researchers combed through published literature to see what kind of intervention might stave off free radical damage.

研究了听力衰退的成因之后，研究者们梳理已发表的文章，以期找出可能避免自由基损伤的方法。

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This is the reason the health establishment is so insistent on people eating more fresh produce: It provides around-the-clock defenses against free-radical damage to your arteries.

这就是健康组织坚持建议人们多吃新鲜果蔬的原因：新鲜果蔬能够给你提供不间断的保护，来对抗自由基给你的动脉血管带来的损害。

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"In cancer, we create free radical damage to tumor cells with treatment, and we want that, but antioxidants quench this damage, " explains Dr. Brian Lawenda, the clinical director of radiation oncology at the Naval Medical Center, in San Diego, California.

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