(WKBN) - High school football practices are in full swing, but along with the excitement of a new season comes concerns about concussions.

Football leads all high school sports in the number of concussions suffered.

Many items on the market promise protection, including collars and specialized helmets. The Cleveland Clinic says none of these have solid evidence behind them.

They say the most important thing is to know when to stop playing.

"Where athletes really get themselves into trouble, they continue to play. They get another, even minor, hit and the symptoms get even more amplified," said Dr. Marie Schaefer, with the Cleveland Clinic. "There is the risk of something called 'second impact syndrome,' where if you have a head injury and then you get another hit, your brain could actu

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