美国人不需要通过服用碘片来预防放射性甲状腺癌，相反，过量服用碘化钾可能诱发甲状腺疾病，尤其是对于儿童。

Residents of the U.S. do not need to take iodine pills to prevent radiation-induced thyroid cancer. In fact, overuse of potassium iodide can lead to thyroid problems, especially among children.

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辐射尘埃中存在的放射性碘- 131导致该地区儿童的甲状腺癌发病率呈蔓延趋势：迄今为止已发现了4000个病例，其中已有9人死亡(科学，2001年4月20日，第420页)。

The presence of radioactive iodine-131 in fallout led to an epidemic of thyroid cancer in children: some 4000 cases to date, including nine deaths (Science, 20 April 2001, p. 420).

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唯一能够证实的放射性生物学的影响就是核爆炸发生时的年轻人的甲状腺癌的人数有所增加。

The only proven radiobiological effect has been an increase in thyroid cancer in those who were young at the time of the accident.

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