19-year-old Lane Hinkley: «Too many hits, too many punches, too many concussions that I didn't properly heal from. The doctor said my MRI showed there is a 25mm by 17mm lesion on my brain Currently, I am at risk for CTE and early dementia.» (Hinkley has had 14 fights over the past 4 QMJHL seasons, according to https://Hockeyfights.com. Also, researchers have found the more hits to the head a player receives — even subconcussive ones, which aren't usually tracked — the more likely they are to develop neurological problems.)