Anyone know much about this or where I can find any info on it. My son had surgery on his knee in December and had to make a E.R. visit the other night. And that is what they told him might be wrong with his knee.They told him he needed to make a decision on playing football and other sports or if he wanted to walk when he was 40.I have heard lots of stuff on it ...good and bad.But just wanted more info.





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