Concussions and head trauma can occur on a K recess slide.  I had my first at age 5.  A wise and practiced MD prescribed bed rest and no falling into sleep for 72 hours.  It dissipated.  A former Leaf farmhand in the late sixties and briefly a Leaf before the WHA,  brought me up to speed about the UTulsa and Tulsa Oilers collaboration about concussion and head trauma.  Severity,  recovery time,  reoccurring symptoms and the long term effects on players in this case him.  As for the CFL some control over player behaviour and improved head gear which has now been the rigor for a season now can be compared directly to the sixties attitudes and effects.  Without the hitting the CFL and NFL is little but puff.  Players comparing injuries today to the problems of the previous generations have never had it so good and for that matter ordinary citizens.  As for my Leaf friend he was always questioned by others for his little quirks with the training staff.  Brain or ankle he was a stickler! re