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There was a Frontline special on this story a while back. It includes interviews with the Doctor that Will Smith is portraying. Every football fan should check it out: http://www.pbs.org/wgbh/pages/frontline/league-of-denial/
NY Times: Sony Altered ‘Concussion’ Film to Prevent N.F.L. Protests, Emails Show USAT: The chilling first script of 'Concussion' is everything the NFL doesn't want you to see
I suffered a concussion playing basketball a couple months ago. It took almost 8 weeks for the symptoms to go away. Scared the crap out of me. I have no idea how these guys are medically cleared so quickly.
damn that's a sad story about randle, especially since he is still young. not related but interesting reads on the headlines of that link: "martina hingis serial adulter" and "White philly radio host compares white player to...." first thought before clicking, josh penis.
I suffered a concussion (mountain biking) that involved loss of short term memory for 8 hours back in August. I still get woozy when i strain too much.
After reading only the title I thought OP was referring to this... <iframe width="560" height="315" src="https://www.youtube.com/embed/jriJC--2rDQ" frameborder="0" allowfullscreen></iframe>