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水産環境の放射性物質汚染による健康影響

The Health effect by the radioactive contamination of fishery environment

小林 泰彦

Kobayashi, Yasuhiko

The problem of the health effect to the humans by the radioactive contamination of fishery environment after the Fukushima Dai-ichi NPP accident results in the increase in the internal exposure dose by the ingestion of the marine product which the radioactive material mixed, and the problem of a healthy risk of being based on it. What is most important is the evaluation of a dose but not the existence of a radioactive material. The radioactive material, which polluted agricultural products and marine products, is ultralow volume to the extent that it is undetectable at all, if they are not giving off radiation. There cannot be any concern of hazardous property as an element. The internal exposure dose (committed effective dose) presumed to increase by eating the marine product is extraordinarily low. Supposing there would be a health effect by the radioactive contamination of fishery environment, it will be restricted to the increase in the carcinogenic risk by low dose radiation exposure. And the relation between a dose of radiation and a health effect can be learned from experience of the past, such as studies on mortality in the Life Span Study (LSS) cohort of atomic bomb survivors, and a Chernobyl accident.

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