AUCKLAND, NEW ZEALAND - JULY 08:  Alun Wyn Jones of the Lions is felled  by a high tackle from Jerome Kaino of the All Blacks during the third test match between the New Zealand All Blacks and the British & Irish Lions at Eden Park on July 8, 2017 in Auckland, New Zealand.  (Photo by Hannah Peters/Getty Images)
Alun Wyn Jones of the Lions is felled by a high tackle from Jerome Kaino of the All Blacks during their third Test. Hannah Peters / Getty Images

Better safe than sorry: Former UAE player-turned-medical educator preaches caution on head injuries