Twenty-four previously unknown mutations that raise a woman's risk of developing breast cancer have been identified by scientists. The 'ground-breaking' findings from this study provide an answer to thousands of victims of whom the disease runs in their family.

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Twenty-four previously unknown mutations that raise a woman's risk of developing breast cancer have been identified by scientists. The 'ground-breaking' findings from this study provide an answer to thousands of victims of whom the disease runs in their family.