Flashing mouthguards that signal a head injury will soon hit the rugby field – are they a game changer?
- Written by Nick Draper, Professor of Sport and Exercise Science, University of Canterbury

When the Women’s Rugby World Cup kicks off this weekend, spectators will witness more than the usual thrills, skills and physical brilliance the code delivers – they’ll also see something completely novel: flashing mouthguards.
Designed to help keep professional players safer, these smart mouthguards...