The global response to Sierra Leone's Ebola crisis helped avert some 40,000 deaths - but thousands more may have been prevented with a quicker response, say researchers.

Bowel cancer is four distinct diseases, each with a different prognosis, scientists have discovered.

Neuroscientists say they can distinguish between individuals using a map of how different brain regions "pair up" in brain activity scans.

A total of 58 people who had been in close contact with Scottish nurse Pauline Cafferkey, who contracted Ebola in Sierra Leone, are identified.

The head of Public Health England is being hauled before MPs amid accusations vital evidence is being withheld about the merits of a sugar tax.

The number of people in Scotland treated with antidepressants rises by 5% in 2014/15, according to official figures.

Ministers have set out details of how they aim to save £1bn on agency staff costs to the NHS over the next three years.