There are approximately 1,100,000 teens playing high school football . Fever , nausea , headache are some of the symptoms of concussion . NFL players receive an estimated 900 to 1,500 blows to the head each year . High schools are changing the rules and implementing safety programs .
There are approximately 1,100,000 teens playing high school football . Confusion , nausea , headache are some of the symptoms of concussions . NFL players receive an estimated 900 to 1,500 blows to the head each season . High schools are changing the rules and implementing safety programs .