The disease causes extreme pain, organ, and immune system damage.

这种疾病会导致极度疼痛、以及器官和免疫系统受损。

The time to replace all damaged systems was estimated at between 4 and 10 years.

修复与更换所有系统的时间被预估是在4至10年之间。

This protozoan has been linked in humans to congenital birth defects and nervous system damage.

这种原生动物已证明与人类先天性出生缺陷和神经系统损害有关。

If they extend away, and the big toe goes up, that's actually a sign of central nervous system damage.

如果它们向外伸展， 并且大脚趾向上，这实际上是中枢神经系统受损的迹象。

When you breathe them in, toxic particulates can make their way into the bloodstream and have been linked to lung and heart damage, immune system damage and inflammation in humans and animals.

当你吸入它们时，有毒微粒就会进入血液，而人类和动物的肺部损伤、心脏损伤、免疫系统损伤和炎症均与其有关。

And, critically, the radiation dose from a Mars trip could exceed the lifetime exposure limits space agencies have established for their astronauts, increasing the chances of cancer and central nervous system damage.

更严重的是，火星旅行辐射的剂量超过了航天局为宇航员设置的终生接触限度，而这会让癌症和中枢神经系统损坏的风险上升。