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The BBC reports: There has been a sharp rise in the number of people having CT scans in the UK, according to experts assessing the risks of radiation on health.

The number of scans on children - who are most at risk - doubled over the past decade to 100,000 a year in 2012.

Concerns centre around evidence radiation can increase the chance of developing cancer.

But the government-appointed Comare group said the benefits of scans usually outweigh the harms.

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