The lingering effects of concussions just don't go away for some people, and it sucks to now that those of us who've had our noodle scrambled can still suffer from trigger issues at a moment's notice. I plain old slipped and fell on a patch of ice back in 2006, smacking the back of my head on cement, and six months of severe post-concussion syndrome and a year's worth of typing difficulties gave way to light sensitivity headaches that can still be triggered by looking at a lamp or a bright light source--and they last for days, causing significant pain and yielding a "burned out monitor"-style image in my field of vision regardless of whether it's light or dark, or whether my eyes are open or closed.

And I'm plain old lucky compared to most concussion-suffering folks.

NHL.com's Adam Kimelman reports that former Philadelphia Flyer Ian Laperriere won't be taking part in an Ironman Triatholon because his post-concussion syndrome has returned: