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Keeping an invisible enemy at bay

Bone up on ionising radiation to avoid elevated cancer risks

Tests that do not involve residual radiation in the body include routine X-rays, mammograms and (above) computed tomography scans

IT is inevitable in today's high technology diagnostic testing that ionising radiation (X-rays or gamma radiation) is often required to help the doctors make a diagnosis. Exposure to ionising radiation can be divided into two broad categories of tests.

The first involves X-rays where part...

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