Health
* Vitamins 'could shorten lifespan' *
Certain vitamin supplements may shorten rather than prolong lifespan, research has suggested.
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* Drug 'stops HIV's entry to cells' *
A new HIV drug shows promising results in people for whom other treatments no longer work, a study suggests.
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Education
* Teenage test results not so bad *
The proportion of 14-year-olds reaching the expected standard in English fell last year but by less than thought.
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