What is CTE and why are brain experts concerned?

Brain injury experts and sports professionals are calling for changes in sports at all levels to help prevent neurodegenerative diseases linked to repeated impacts to the head. The discussion has been reignited after Former Socceroos captain and Australian soccer icon Paul Wade  announced he'd been diagnosed with suspected chronic traumatic encephalopathy or CTE. Learn more about your ad choices. Visit megaphone.fm/adchoices