Ground-Shaking Noise Rocks N.F.L., and Eardrums Take Big Hit

National Football League teams are racing this season to secure the title of loudest outdoor stadium in the world….
But all that noise can come with a serious cost. With peaks for touchdowns and troughs at timeouts, the average volume during an N.F.L. game is probably in the mid-90-decibel range….
To auditory experts, the danger is very real….

Read original article as quoted from The New York Times, November 16, 2013.
http://www.nytimes.com/2013/11/17/sports/football/ground-shaking-noise-rocks-nfl-and-eardrums-take-big-hit.html

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