The European Union has banned the use of X-ray body scanners in European airports amid increased fears that radiation emitted by the devices could cause cancer in a small number of passengers. The scanners, which are widely used by the U.S. Transportation Security Administration, emit small levels of radiation that scientists say are not harmful to most people. According to a new report, that risk was overlooked when security officials in the United States deployed the scanners in 2010. That decision contravened a long-held policy of abstaining from using X-ray machines on humans when it is not medically necessary. Past estimates have put the risk of developing cancer from a scanner as approximately equal to the risk of being killed by a terrorist.
Read more at Scientific American
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