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Delayed DNA repair raises safety fears
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Routine X-ray safety called into question
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Nicotine speeds the growth of lung cancers
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Foot and mouth infected meat still entering UK
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Vaccine destroys plaques in Alzheimer’s disease
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Burping animals clean up their act on a fishy diet
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Altered beet offers taste of the future
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Fishy food cuts belching beasts’ methane
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Antibodies can mop up deadly prions
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Risky types of HRT are identified
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Pentagon pledges ‘no global GPS blackout’
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Hidden cloud layer revealed
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