Steve Thompson discusses 'sketchy' injury protocols

World Cup-winning team-mates Steve Thompson, Lewis Moody and Ben Cohen discuss the "sketchy" injury protocols they experienced in the early days of professional rugby union.

Thompson is part of group of rugby players diagnosed with early onset dementia and brain injuries, who are bringing a legal case against World Rugby, the Rugby Football Union and the Welsh Rugby Union.

Watch Head On: Rugby, Dementia and Me on iPlayer.