Is it any wonder rugby players groan when we see another headline about concussion? We sigh, roll our eyes and reluctantly read what the latest expert has to say. One more person that is convinced we are all lumbering along to a life of irreversible physical and cognitive damage, like cattle queuing up for the abattoir.

Mike Ashley’s Sports Direct International today reported a 91% dive in profits after its “strategic stakes” in rival retailers were frozen.