JAPAN'S 2011 Fukushima disaster raised the cancer risk for people living near the atomic plant, but no jump in cases is expected elsewhere, the UN's health agency says, sparking an angry reaction from anti-nuclear campaigners.
Within a 20km perimeter of the plant, rates of thyroid cancer among women who were exposed to radiation as infants were expected to be up to 1.25 per cent, the World Health Organisation said in a report.
This represented a 70 per cent increase over the baseline risk of thyroid cancer over a Japanese woman's lifetime, which is 0.75 per cent, the UN health agency noted.
"In view of the estimated exposure levels, an increased risk of cancer was the potential health impact of greatest relevance," Maria Neira, the WHO's director of public health and environment, told reporters as she launched the report on Thursday.
"Outside the most exposed areas, so outside of Fukushima prefecture, and even in some areas of Fukushima prefecture, the predicted risk remains low and even non-observable. That means we didn't observe any increase in cancer above what we call the natural variation in baseline rates," she explained.
Other forms of cancer also looked set to rise, albeit to a lesser extent, the agency said.
It pointed to a slightly higher risk of breast cancer among women exposed as infants, and of leukaemia among men.
Radiation doses from the stricken plant were not expected to cause an increase in miscarriages, stillbirths and physical and mental conditions that could affect babies born after the accident, the WHO said.
Senior WHO official Angelika Tritscher added: "In neighbouring countries and the rest of the world, the estimated increase in cancer risk is negligible. So there's no additional health risk expected due to the Fukushima accident."
Anti-nuclear campaigners slammed the report.
"The WHO's flawed report leaves its job half done," said Rianne Teule, Greenpeace International's nuclear radiation expert.
"The WHO report is clearly a political statement to protect the nuclear industry and not a scientific one with people's health in mind."
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