DNA test reveals 80 markers for inherited cancer risk

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More than 80 genetic markers that can increase the risk of developing breast, prostate or ovarian cancer have been found in the largest study of its kind.

The DNA of 200,000 people - half of them with cancer and half without - was compared, revealing an individual's inherited risk of the diseases.

British scientists, who led the research, believe it could lead to a DNA screening test within five years.

They also hope it will boost knowledge of how the cancers develop.

Branwen Jeffreys reports.

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