Low doses of radiation promote cancer prone cells, study suggests

Low doses of radiation – the equivalent to three CT scans –  give cancer prone cells a competitive advantage over normal cells in healthy tissues, a study suggests.

Researchers say they have uncovered another potential cancer risk as a result of radiation that needs to be recognised.

They studied the effects of low doses of radiation in the oesophagus of mice, and found that low doses of radiation increase the number of cells with mutations in p53, a well-known genetic change associated with cancer.

But when the mice were given an antioxidant before radiation, it…
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