Shimmer,
18 March 2011 Last updated at 14:45 GMT
Japan nuclear threat: The tsunami is the bigger tragedy
The perception of the extreme risk of radiation exposure is also somewhat contradicted by the experience of 87,000 survivors of Hiroshima and Nagasaki, who have been followed up for their whole lives.
By 1992, over 40,000 had died, but it has been estimated that only 690 of those deaths were due to the radiation. Again, the psychological effects were major.
Radiation does, however, feel acceptable when used in benign circumstances such as medical imaging. You can pay ?100 ($160) and get a whole-body CT scan as part of a medical check-up, but it can deliver you a dose equivalent to being 1.5 miles from the centre of the Hiroshima explosion.
Because more than 70 million CT scans are carried out each year, the US National Cancer Institute has estimated that 29,000 Americans will get cancer as a result of the CT scans they received in 2007 alone.
SCHIMMER,PUT THINGS INTO PERSPECTIVE PLEASE
Cheers
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