Football season is in full swing, which means concussions are on the minds of players and fans. But traumatic brain injuries, including concussions, aren’t a problem only for athletes who play contact sports. Each year at least 69 million people world-wide suffer a traumatic brain injury.

Considering how precious our brains are to our health and well-being, we should be monitoring them as conscientiously as we do our hearts or joints. If we find out we have high cholesterol, we generally do something about it. Yet too many people let blows to the head go unevaluated, despite the potentially dire long-term consequences.