Sub-concussive blows can cause brain injury, says Trinity research

A study of rugby playing teenagers has discovered sub-concussive blows can cause brain injury.

Trinity College research group, led by Dr Colin Doherty, a neurologist based in St James’s Hospital, revealed the damage suffered despite every player examined being free of concussion symptoms.

“Concussion itself may just be the tip of the iceberg,” said Dr Doherty. “The most contentious issue is that sub-concussive blows seem to be the main problem. If that turns out to be true it has massive implications for the rules of the game.”

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