A new portrait of NRL star Wally Lewis brings home the consequences of brain trauma in ways traditional science communication struggles to achieve.

The link between head injuries and degenerative brain disease CTE has been widely accepted. But there may still be some grey area.

Zurich’s decision to no longer insure some professional athletes for concussion could have far-reaching ramifications for players and their sports.

For decades, some sports have fostered a win-at-all-costs culture, with concussion often an afterthought. But there are signs that attitude is changing.