Mental health suffers most in major nuclear accidents, studies find

July 31, 2015 02:18
1 minute read.

LONDON - People caught up in a nuclear disaster are more likely to suffer severe psychological disorders such as depression and post-traumatic stress disorder rather than any harm from radiation, scientists said on Friday.

Factors such as having to evacuate homes or simply fear contribute to the trauma, the scientists said in studies published in The Lancet to mark the 70th anniversary of the US atomic bombing of Hiroshima and Nagasaki.

The studies counter the misconception that nuclear disasters have caused widespread death and physical illness, with the researchers finding that the mental health effects were far more profound.

"In most nuclear accidents very few people are exposed to a life-threatening dose of radiation," wrote Akira Ohtsuru of the Fukushima Medical University (FMU).

Nuclear accidents are rare but five rated as "severe" have occurred during the past 60 years - Russia's Kyshtym in 1957, Windscale in Britain in 1957, Three Mile Island in the United States in 1979, Chernobyl in 1986 and Japan's Fukushima in 2011.

Koichi Tanigawa of FMU, who led one of the studies, said the psychological burden for people living in affected regions is often overlooked.

In 2006, the United Nations Chernobyl Forum report found that accident's most serious public health issue was its damage to mental health, an effect made worse by poor communication about the health risks of reported radiation levels.

Even now, 20 years after the accident, rates of depression and post traumatic stress disorder remain higher than normal, the researchers said.

Similar problems were seen after Fukushima, with the proportion of adults with psychological distress almost five times higher among disaster evacuees - at 14.6 percent compared with just 3 percent in the general population.

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