Medical research often makes use of the forest's plant and animal life, and the destruction of such species could prevent researchers from finding cures for certain diseases.
医学研究通常利用森林中的动植物，毁坏这些物种可能会令研究人员找不到某些疾病的治疗药物。
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But the conditions that were good for plants were also good for plantdiseases, and a severe infection of yellow rust developed.
不过，良好的条件不仅对植物，还让植物病害也沾了光，于是发生了严重感染条锈病的灾情。
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These plant chemicals have been shown to help slash the risk of major diseases by helping to protect against the harmful effects of free radicals.