The study, led by Queen's University, involved the analysis of blood samples from 80 people.
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BBC News UK
Family hails 'hero' PC ahead of police silence
The family of PC Harper pays tribute to their "superhero" son as police forces across the country fall silent.
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Family hails 'hero' PC ahead of police silence
The family of PC Harper pays tribute to their "superhero" son as police forces across the country fall silent.
'Micro seismic event' reported at fracking site
Cuadrilla said the effect on the surface would be like "a large frying pan dropping to the floor".
Eddie Stobart chief leaves as shares suspended
The transport firm, known for its green and red lorries, revealed a £2m discrepancy in its accounts last month.
Fringe's female performers 'sexually harassed'
Women report being groped and subjected to lewd comments while out promoting their shows.
Bury nearing EFL expulsion deadline
Bury Football Club has until 23:59 BST on Friday to avoid being expelled from the English Football League.
Guest finds 'old hand grenade' on holiday park
A guest thought the device they took back to their caravan was a fossil, according to local media.
Bank holiday travellers warned of delays
Early morning fog marks the start of the annual getaway as millions prepare to hit the roads.
Featured Contents
Family hails 'hero' PC ahead of police silence
The family of PC Harper pays tribute to their "superhero" son as police forces across the country fall silent.
'Micro seismic event' reported at fracking site
Cuadrilla said the effect on the surface would be like "a large frying pan dropping to the floor".
Eddie Stobart chief leaves as shares suspended
The transport firm, known for its green and red lorries, revealed a £2m discrepancy in its accounts last month.
Fringe's female performers 'sexually harassed'
Women report being groped and subjected to lewd comments while out promoting their shows.
Bury nearing EFL expulsion deadline
Bury Football Club has until 23:59 BST on Friday to avoid being expelled from the English Football League.
Guest finds 'old hand grenade' on holiday park
A guest thought the device they took back to their caravan was a fossil, according to local media.
Bank holiday travellers warned of delays
Early morning fog marks the start of the annual getaway as millions prepare to hit the roads.
'Micro seismic event' reported at fracking site
Cuadrilla said the effect on the surface would be like "a large frying pan dropping to the floor".
Eddie Stobart chief leaves as shares suspended
The transport firm, known for its green and red lorries, revealed a £2m discrepancy in its accounts last month.
Fringe's female performers 'sexually harassed'
Women report being groped and subjected to lewd comments while out promoting their shows.
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Early morning fog marks the start of the annual getaway as millions prepare to hit the roads.
Read moreCMA takes action against RBS and Santander
The Competition and Markets Authority (CMA) has ordered both RBS and Santander to appoint independent bodies to audit their payment protection insurance (PPI) process, after the banks failed to send, or sent inaccurate, annual PPI reminders.
Loan customers who were mis-sold PPI have until 29 August 2019 to claim for compensation.
The CMA says that RBS failed to provide reminders to almost 11,000 of its customers for up to 6 years, meaning those affected were unable to fully assess whether they wanted to continue paying for PPI, and were stopped from shopping around effectively.
RBS has now written to those affected, providing a reminder of their right to cancel their policy and has so far paid out over £1.5m in refunds to customers.
As for Santander, the bank sent out annual reminders containing incorrect information to over 3,400 of its mortgage PPI customers from 2012-2017.
It must now appoint an independent body to review its PPI processes and continue to maintain its systems to prevent further breaches.
Rail passengers planning a bank holiday getaway are being urged to avoid travelling from Kings Cross.
Stephen Walker
BBC News NI Political Correspondent
Newly declassified files show tensions between the governments over the ceasefires of the 1990s.
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It comes after more than 60 migrants - including children - attempted to cross the Channel on Thursday.
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Showcasing the best images sent to us from around England
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Inmates tell how a rehabilitation unit at Holme House is helping them face life on the outside.
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Alice Evans
BBC News
As a teenage boy, Carolyn Mercer had electric shock therapy on the NHS in the hope she would be "cured".
Read more
Chris Hemmings and Jessica Furst
BBC Victoria Derbyshire programme
Women report being groped and subjected to lewd comments while out promoting their shows.
Read more
