This year's Women's Rugby World Cup has been hailed as a groundbreaking event for women's sport, with viewership figures over the first weekend surpassing that of the entire 2022 tournament.

But the competition, held in England, will also be remembered for its revolutionary approach to concussion: a growing issue for a number of sports, highlighted by increasing cases of posthumously diagnosed CTE.

This includes, most recently, the former West Coast Eagle Adam Hunter .

Players from across the 16 participating nations have been trialling what may prove to be the next frontier in its management: LED mouthguards that light up when a player sustains an impact that could lead to a concussion.

Mouthguards predict likelihood of concussion based on hits

The innovative approach has been led

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