The Professor of Clinical Genetics at Newcastle University explains why it's possible that only 15 cigarettes can lead to your genes becoming mutated.
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Cold with clear spells and scattered wintry showers. Localised snow accumulations and icy stretches may linger until Monday lunchtime
Margaret Mary MacDermott was last seen at her home in Fenhan in Newcastle on the evening of Friday February 12.
The win rekindle's the Black Cats' survival hopes and pile the pressure on United manager Louis van Gaal.