Shane Cameron thought he was a dumb kid. Boxing was his answer.

Shane Cameron spent 17 years as a professional heavyweight boxer — a Commonwealth Games bronze, a world title shot and the 2009 fight against David Tua that ended with him in an ambulance. He didn't watch the footage back until last year. In this episode, Shane talks to Kent about the memory loss, anger and mood swings he now lives with day to day, and what happened when he asked to be tested for brain damage: a neuropsychologist told him CTE can't be confirmed until after death. ...