Little Cancer Risk from Fukushima

A new report from the World Health Organization predicts only very minimal increases in cancer risk for residents in the vicinity of the nuclear disaster.

Written byJef Akst
| 2 min read

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Photo taken at the Fukushima Nuclear Power Plant in 1999WIKIMEDIA, AKIRA KOUCHIYAMAThe release of radioactive materials from the Fukushima Daiichi nuclear power plant 2 years ago this month is unlikely to cause a significant cancer burden, according to a 172-page report released yesterday (February 28) by the World Health Organization (WHO). While workers who were directly involved with the disaster may be at higher risk of leukemia, thyroid cancer, and all solid cancers, even those living near the plant should be safe, the WHO concluded.

“Outside the geographical areas most affected by radiation, even in locations within Fukushima prefecture, the predicted risks remain low and no observable increases in cancer above natural variation in baseline rates are anticipated,” the report’s summary read.

But not everyone’s mind is put at ease. “The WHO report shamelessly downplays the impact of early radioactive releases from the Fukushima disaster on people inside the 20 km evacuation zone who were not able to leave the area quickly,” Rianne Teule, Greenpeace International nuclear radiation expert, said in a statement. On the other hand, radiation biologist Kazuo Sakai of Japan's National Institute of Radiological Sciences told ScienceInsider that the report may actually overstate some of the risks by using preliminary data that may have overestimated radiation exposure. ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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