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In rugby players, study authors found changes in the nerve highways of the brain, Menon said. The changes increased over time in some players, worsening over multiple seasons. The same brain changes weren’t seen in the female rowers or swimmers.
“It’s clear that even sub-clinical impacts have an effect on the brain, and this has immediate implications for concussion research,” study author Kathryn Manning said in a statement.
“Though the long-term effects of sub-clinical impacts remain unclear, an effort to limit the number of impacts athletes experience in practice could be beneficial.”
Menon said rules against hits in practice or head protection for rugby players should be explored.
Though the latest study sheds light on the effect of mild repetitive hits in the brain, a next step would be to follow athletes with these brain changes longer term, Menon said.
“We’ve seen this cumulative damage, but what would be nice is if we look five years from now, if some of that structural damage recovers,” Menon said. “That’s a really important question.”
https://news.google.com/__i/rss/rd/articles/CBMidGh0dHBzOi8vbGZwcmVzcy5jb20vbmV3cy9sb2NhbC1uZXdzL2NvbmN1c3Npb24tc3R1ZHktYXQtd2VzdGVybi11bml2ZXJzaXR5LWZpbmRzLW1pbm9yLXJlcGV0aXRpdmUtaGl0cy1jaGFuZ2UtYnJhaW5z0gGiAWh0dHBzOi8vbGZwcmVzcy5jb20vbmV3cy9sb2NhbC1uZXdzL2NvbmN1c3Npb24tc3R1ZHktYXQtd2VzdGVybi11bml2ZXJzaXR5LWZpbmRzLW1pbm9yLXJlcGV0aXRpdmUtaGl0cy1jaGFuZ2UtYnJhaW5zL3djbS9lNmU5YmNiMC04NGJiLTQ3OTEtYTQ5Zi1iM2FkODVjMDlkNDEvYW1wLw?oc=5
2020-06-17 20:04:35Z
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