Their cancers are not so clearly tied to radiation exposure.

他们的癌症与接触辐射并没有太明显的联系。

So far no one has died from radiation exposure.

到目前为止还没有人死于辐射。

What are the acute health effects of radiation exposure?

辐射会产生哪些急性健康问题？

Within three months, 28 of them died from radiation exposure.

在3个月内，他们中的28人死于辐射照射，至少19人死于大面积皮肤灼伤所造成的感染。

Within three years, my mother died from radiation exposure.

三年后，我妈妈死于过量辐射。