http://www.nytimes.com/interactive/2017/01/09/sports/football/what-happened-within-this-players-skull-football-concussions.html?utm_source=Parent+Co.+Daily&utm_campaign=7dd1f6b143-EMAIL_CAMPAIGN_2017_01_11&utm_medium=email&utm_term=0_3f341b94dd-7dd1f6b143-132148897&_r=1

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