Ask an Expert : Fukushima-related health question 5 - HTML5 Transcript/Captions

No. Dried fruit are not more radioactive than fresh fruit. It's all a question of concentration. For example, a raisin contains little to no water, compared to its original state as a grape. The raisin weighs less, so the radioactivity per gram is higher. This is one of the many facts taken into account when developing food guidelines for emergency situations. All that to say, the dose you would get from the radiation in the grape or the raisin is the same.

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