TRENTON, NJ - Governor. Chris Christie signed into law a bill that expands concussion precautions for high school students. The bill was introduced by Rep. John DiMaio, (NJ-23). High school students who suffer a concussion during intramural sports will now be protected by the state's student-athlete head injury safety program bill.

"High school-age students require more time to recover from a brain injury, and suffer more severe symptoms and neurological disturbances," said DiMaio. "It is critical that students are fully recovered before returning to a normal daily regimen."

The law adds intramural sports to the law that already requires special head injury and concussion diagnosis and treatment training for school physicians, coaches and trainers.

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The Centers for Disease Control and Prevention, according to a press release issued by DiMaio, has estimated that 1.6 million to 3.8 million concussions occur every year, and as many as 30 percent are sports related. About 10 percent of athletes, the release said, experience concussions during any given sport season.

According to the release, football players have a 75 percent chance of concussion, and female soccer players have a 50 percent chance of a brain injury.