The Evolution of the Football Helmet [Infographic]

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<a href="http://greatist.com/fitness/evolution-football-helmet/" target="_blank"><img src="http://greatist.com/sites/default/files/styles/article_main/public/wp-content/uploads/2012/09/Football-Helmet-Evolution-Infographic_0.jpg?itok=Na4ZsZ8t" width="604" height="2881" border="0" style="border:none" /></a><p>Get <a href="http://greatist.com/">health and fitness tips</a> at Greatist.com</p>

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