The fourth instalment of our Rugby Union Top 10 series ... A colossus of a rugby player and a monumental leader, O'Connell retired one of the most revered figures in the history of Irish sport.

Prior research has already demonstrated that retired professional rugby players have a much higher odds for depression, anxiety and irritability compared to amateur rugby players or athletes ...

Retired rugby players who have suffered multiple concussions have biological differences that may make them more prone to developing brain illnesses such as motor neurone disease (MND), new ...