Filed at 3:41 a.m. ET School officials, parents and players remained puzzled Sunday over what caused 19 members of a high school football team in northwest Oregon to suffer muscle damage -- three of whom required surgery -- following a fall camp. The 19 McMinnville High School players all had elevated levels of the enzyme creatine kinase, or CK, which is released by muscles when they're injured, said Dr. Craig Winkler of Willamette Valley Medical Center in McMinnville. High CK levels can lead to...
Full Story: The New York Times

