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12 January 2013 Last updated at 13:42 ET

Lung infection breath test discoveryPatient having his breath sampled and analysed

Scientists have identified the chemical "fingerprint" of bacteria present in the lungs, which could lead to a quick breath test to diagnose infections like tuberculosis, says a study in the Journal of Breath Research.

Thermogram of obese peoplePost-obesity surgery baby warning

Women who have had weight loss surgery should wait at least a year before trying for a baby, experts have warned.

Molecular machineryTiny machine apes production line

Manchester scientists develop a tiny molecular machine they hope one day could synthesize new drug molecules or new types of plastic.

Our Experts

Fergus Walsh, Medical correspondent Article written by Fergus Walsh Fergus Walsh Medical correspondent

Could we ever run out of blood?

15:20 UK time, Tuesday, 8 January 2013

Urgent appeals for blood donors seems to be a regular event - certainly at this time of year. So what triggers an appeal and is it feasible that we could ever run out of blood?

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Nick Triggle Article written by Nick Triggle Nick Triggle Health correspondent

Social care: The £75,000 question

01:41 UK time, Friday, 11 January 2013

It seems likely ministers will announce elderly care costs should be capped at £75,000 in the coming weeks, but is that enough to solve the social care crisis?

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Scrubbing Up: Provocative thoughts on health

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