'This contact sport injury resulting from a blow to the head has several grades; with grade I, you stay conscious'
a concussion
YOU SHOULDN'T HAVE LEFT THE COUCH: This contact sport injury resulting from a blow to the head has several grades; with grade I, you stay conscious
This contact sport injury resulting from a blow to the head has several grades; with grade I, you stay conscious
This contact sport injury resulting from a blow to the head has several grades; with grade I, you stay conscious
YOU SHOULDN'T HAVE LEFT THE COUCH
a concussion
YOU SHOULDN'T HAVE LEFT THE COUCH