Injuries in rugby: Too dangerous

Last weekend, the Leinster, Leicester, and Ireland rugby player Dominic Ryan joined a worrying and lengthening list of professional rugby players forced to retire prematurely.

Ryan, 28, followed Welsh and Lions captain — twice — Sam Warburton, 29, who quit the game in July. Severe concussion was the deciding issue for Ryan, while repeated and traumatic injuries cut Warburton’s stellar career short.