More medical news from BBC Health
VIDEO: Success in malaria vaccine trials
BBC Health : April 24, 2015, 8:20 am
Final clinical trials of a malaria vaccine - the first to reach this stage - suggest it could help protect millions of children against malaria.
Row over human embryo gene editing
BBC Health : April 24, 2015, 6:04 am
Is it right to genetically edit human embryos?
'Twin' tumour found in woman's head
BBC Health : April 24, 2015, 3:17 am
California doctors have removed what they call an embryologic twin living deep inside the brain of a student who had health problems.
Tinnitus mapped inside human brain
BBC Health : April 23, 2015, 9:00 am
For the first time, brain signals relating to the constant ringing noise of tinnitus have been mapped across a wide area inside a patient's brain.
Cost of agency nurses soars for NHS
BBC Health : April 23, 2015, 7:22 am
Spending on agency nurses in the South West has soared from about £12m in 2010 to more than £59m in 2014, it emerges.