Spurs star Victor Wembanyama faces a warning about the risks of playing in Game 3 tonight as concerns grow over his injury status.

Insurers have responded by withdrawing or excluding head injury cover from their TPD insurance. In effect, concussion risk is being treated as uninsurable, rather than governable. New Zealand takes a fundamentally different approach.

Each year, about two million children, many while playing organized sports, suffer concussions. But, according to concussions researcher Jaclyn Stephens, an occupational therapist and associate professor in the Department of Health and Exercise Science at ...