(KFYR) From football helmets to shin guards and cleats, there's a lot of gear to protect players from getting hurt.
But one of the most important pieces of equipment may be doing more harm than good. Mouthguards are on the field, the bench, in the locker room, and even the gym bag, but players health may be at risk.
According to a study at the Oklahoma State University Center for Health Sciences in Tulsa, athletes are breathing in micro-organisms found on mouthguards, which can cause exercise-induced asthma.
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