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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Spring has arrived as the sun comes out and temperatures rise to 16ºC by Saturday
There'll be a lot of cloud at first this morning but the sun should break through in many places this afternoon.
The cloudy skies will remain tonight but at least temperatures will stay frost-free.