chronic traumatic encephalopathy (cte), a degenerative brain disease, has been linked by medical researchers to the sort of hits football players endure.
.
.
.
.
.
there was a psychological toll, too. olczyk felt he was letting down his family and friends, letting down nbc and letting down the blackhawks, for whom he regularly broadcasts games.
.
harvard medical school: "cgrp: a new era for migraine treatment."
.