同样，如果一种植物或动物没有留下任何可以繁殖的后代，它就不能把所有的能量浪费在使自己变得更强壮上，因为这是最可能走向灭绝的方式。

Similarly, a plant or animal cannot squander all its energy on growing a big body if none would be left over for reproduction, for this is the surest way to extinction.

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例如，研究发现了饮食变化可以减缓炎症，或使体内环境不适于癌细胞繁殖的证据。

Studies have explored evidence that dietary changes can slow inflammation, for example, or make the body inhospitable to cancer cells.

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表面看来，这似乎不太可能，因为基因工程赋予它们的特征是为了使它们成为更好的食物，而不是竞争力强的高效繁殖机器。

On the face of it, this seems unlikely, because the characteristics that have been engineered into them are ones designed to make them into better food, rather than lean, mean breeding machines.

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