Number of ACL tears going up dramatically

The New York Times reports:

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Sometimes physicians will notice a medical trend well before science confirms its existence. That has been the case with injuries to the anterior cruciate ligament, the main ligament that stabilizes the knee joint, in young athletes. “Doctors who treat kids have all been saying over and over that the numbers of A.C.L. tears are going up dramatically,” says Dr. J. Todd Lawrence, an orthopedic surgeon and pediatric sports medicine specialist at the Children’s Hospital of Philadelphia. But surprisingly little firm data has confirmed that hunch. Click here to continue reading.