Scientists in Cambridge say they could be only five years away from delivering a routine test that tells us how likely we are to get common cancers.
It follows their discovery of more genetic causes of the disease.
And they hope that by understanding the causes of cancer better, they may get closer to discovering cures, as Elodie Harper reports.
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Showers easing with clear spells overnight. Strong winds easing.
Sunday forecast: Heavy rain is expected for a time with gusty winds, then clearing during the afternoon.
March in the Anglia region has been much drier and sunnier than normal although temperatures have been around average.