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Reduction of high levels of internal radio-contamination by dietary intervention in residents of areas affected by the Fukushima Daiichi nuclear plant disaster: a case series

Tsubokura, Masaharu ; Kato, Shigeaki ; Nomura, Shuhei ; Gilmour, Stuart ; Nihei, Masahiko ; Sakuma, Yu ; Oikawa, Tomoyoshi ; Kanazawa, Yukio ; Kami, Masahiro ; Hayano, Ryugo Akiba, Suminori

PloS one, 2014-06, Vol.9 (6), p.e100302 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Reduction of high levels of internal radio-contamination by dietary intervention in residents of areas affected by the Fukushima Daiichi nuclear plant disaster: a case series
Autor: Tsubokura, Masaharu ; Kato, Shigeaki ; Nomura, Shuhei ; Gilmour, Stuart ; Nihei, Masahiko ; Sakuma, Yu ; Oikawa, Tomoyoshi ; Kanazawa, Yukio ; Kami, Masahiro ; Hayano, Ryugo
Akiba, Suminori
Assuntos: Adolescent ; Adult ; Aged ; Aged, 80 and over ; Basidiocarps ; Cesium ; Cesium radioisotopes ; Cesium Radioisotopes - analysis ; Child ; Child, Preschool ; Communications systems ; Diet ; Disasters ; Eating ; Environmental Exposure - analysis ; Evacuations & rescues ; Exposure ; Female ; Follow-Up Studies ; Food contamination ; Food intake ; Fukushima Nuclear Accident ; Health care industry ; Hospitals ; Humans ; Inspection ; Intervention ; Male ; Meat ; Medicine and Health Sciences ; Middle Aged ; Mushrooms ; Nuclear accidents ; Nuclear accidents & safety ; Nuclear energy ; Nuclear Power Plants ; Physical Sciences ; Pollution sources ; Prognosis ; Public health ; Radiation ; Radiation effects ; Radiation Monitoring ; Radiation Protection ; Reduction ; Vegetables ; Whole-Body Counting ; Young Adult
É parte de: PloS one, 2014-06, Vol.9 (6), p.e100302
Notas: Conceived and designed the experiments: MT MN YK MK RH. Performed the experiments: MT MN YS TO YK. Analyzed the data: SN SG. Wrote the paper: MT SK.
Competing Interests: The authors have declared that no competing interests exist.
Descrição: Maintaining low levels of chronic internal contamination among residents in radiation-contaminated areas after a nuclear disaster is a great public health concern. However, the efficacy of reduction measures for individual internal contamination remains unknown. To reduce high levels of internal radiation exposure in a group of individuals exposed through environmental sources, we performed careful dietary intervention with identification of suspected contaminated foods, as part of mass voluntary radiation contamination screenings and counseling program in Minamisoma Municipal General Hospital and Hirata Central Hospital. From a total of 30,622 study participants, only 9 residents displayed internal cesium-137 (Cs-137) levels of more than 50 Bq/kg. The median level of internal Cs-137 contamination in these residents at the initial screening was 4,830 Bq/body (range: 2,130-15,918 Bq/body) and 69.6 Bq/kg (range: 50.7-216.3 Bq/kg). All these residents with high levels of internal contamination consumed homegrown produce without radiation inspection, and often collected mushrooms in the wild or cultivated them on bed-logs in their homes. They were advised to consume distributed food mainly and to refrain from consuming potentially contaminated foods without radiation inspection and local produces under shipment restrictions such as mushrooms, mountain vegetables, and meat of wild life. A few months after the intervention, re-examination of Cs levels revealed remarkable reduction of internal contamination in all residents. Although the levels of internal radiation exposure appear to be minimal amongst most residents in Fukushima, a subset of the population, who unknowingly consumed highly contaminated foodstuffs, experienced high levels of internal contamination. There seem to be similarities in dietary preferences amongst residents with high internal contamination levels, and intervention based on pre- and post-test counseling and dietary advice from medical care providers about risky food intake appears to be a feasible option for changing residents' dietary practices, subsequently resulting in a reduction in Cs internal contamination levels.
Editor: United States: Public Library of Science
Idioma: Inglês

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Reduction of high levels of internal radio-contamination by dietary intervention in residents of areas affected by the Fukushima Daiichi nuclear plant disaster: a case series

Tsubokura, Masaharu ; Kato, Shigeaki ; Nomura, Shuhei ; Gilmour, Stuart ; Nihei, Masahiko ; Sakuma, Yu ; Oikawa, Tomoyoshi ; Kanazawa, Yukio ; Kami, Masahiro ; Hayano, Ryugo Akiba, Suminori

United States: Public Library of Science

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