When Danish football star Christian Eriksen collapsed on the field during a Euro 2020 clash it raised the question of sudden cardiac arrest in world-class sportsmen and women: But how often does it happen, who is at risk and what could have caused it? The team also discuss the positive dope test of American track star Shelby Houlihan and how super spikes may be distorting track records.   See acast.com/privacy for privacy and opt-out information.