CNN Sanjay Gupta MD July 12, 2014 20:32:00
Have now had this operation. the american sports medicine institute calls it an epidemic. but they say the damage doesn't start at the professional level. >> what pitchers are doing in their teen years, you know, how much baseball they're playing, how much throwing they're doing, i think it has a direct correlation to what we're seeing later on in their careers. >> mark silverman has coached his son's little league team for four years. >> kids are playing three, four, five games a day. pitching six, seven, eight innings a day. and you're looking at kids going up well into the 100s of pitches, ...
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