Nationwide, an estimated 60,000 concussions occur on high school fields every year. Experts say that kind of head trauma can cause permanent brain damage. The Tribune visited Wimberley High School in the Hill Country to find out how it is preparing for new laws to prevent head injuries in student athletes. The first line of defense isn't necessarily on the field; it's on the sidelines where coaches must be able to protect their players and see through any students who may try to hide their injuries.
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