Low dose exposure to caesium-137, even over a long period of time, is perhaps not as damaging to health as we would have predicted.

低剂量的铯137辐射，即使辐射时间很长，恐怕也不会造成我们所设想的那种对健康的破坏。

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Reporters consistently fail to ask pertinent questions about dose, exposure, likelihood of actual harm or compliance with federal regulations.

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The developing fetus and infant has demonstrated a predisposition to cancer from various types of low-dose radiation exposure within a decade.

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The findings indicated the relationship between birth weight and pollution was dose related - the higher the exposure, the lower the average birth weight.

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