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'Persistent' inequities found to exist in access to prevention, diagnosis, treatment and care, annual global review says ...

Modern forensic analysis leads to arrest in murder of traveling salesman John Warren, authorities say ...

I can't blame my patients for turning to its straightforward assessments. But it has real risks - and care may require human messiness ...

Exclusive: Researchers warn of 'major crisis in male reproductive health' partly driven by obesity and diabetes ...

Researchers testing a cheap, homegrown oil in Uganda found what cats knew all along - it worked as well as the artificial chemical used globally ...

Madeleine Finlay hears from the writer Robert Macfarlane and from Jess Painter, a member of the RSPB's Youth Council ...

Study of more than 2,000 men identifies epigenetic changes linked to exposure to common outdoor pollutants ...

The answer to today's puzzle ...

As the Smithsonian's National Air and Space Museum turns 50, an expansive exhibition celebrates how art has coincided with space ...

A probability puzzle ...