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New Zealand Rugby (NZR) says the science around brain disease in players is "complex and evolving".
A study by researchers from Glasgow University and Queen Elizabeth University Hospital found elite rugby players are more than two times more likely to have dementia, and up to 15 times more likely to suffer motor neurone disease than other people.
New Zealand Rugby is waiting on the final results of a study of 12,000 former professional rugby players, which it has helped fund.
Lisa Owen asked NZR's General Manager Professional Rugby Chris Lendrum if he accepts the science that rugby players are at greater risk of degenerative brain disease. |