When we were kids playing Pop Warner football, we used to take to heart the words emblazoned on our coach's shirt: "No pain, no gain. No guts, no glory." If you didn't feel well, you sucked it in. If you were injured, you taped it up. If you took a hit on the head--got your "bell rung," as we used to say--you just shook it off and got back on the field.
It's surprising how many players and coaches still feel that way about sports-related concussions and other head injuries--surprising because we now know the internal swelling and other damage caused...
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