That's the lesson from the tiny roundworm called C.elegans, long a workhorse in basic biology lab work.

这从一名为线虫的蛔虫身上汲取的经验，这一直基础学实验室的工作主力。

Consider the nematode roundworm, the most abundant of all animals.

再看看线虫，它们所有动家族当中最为繁盛的。

When used in trials on mice and roundworms, the drug improved both their healthspans and lifespans, and it's currently undergoing human trials.

当在鼠和蛔虫身上做试验时，这个药高它们的健康寿命和预期寿命，而且目前已经在进行人体试验。

Being infected by hookworms, roundworms, bacteria like H. Pylori and other pathogens, getting wounded from accidents or animal attacks, ticks, leeches and so on would all be great ways to lose blood and iron for paleolithic humans.

被钩虫，蛔虫，像幽门螺旋杆菌这样的细菌和其他病原体感染，被意外伤害或动攻击，蜱虫，水蛭等等都旧石器时代的人类失去血液和铁的好方法。