These are the kinds of things that we wanted to look at to hopefully make legislators see that this was a mistake."

For elite college athletes, one or two helmetless drills per week significantly reduced head impacts.

Based on our research, we know that prevention is possible. We've made youth sports concussion one of our focus areas, but we can't solve this issue alone. All of us play a role in creating a culture of concussion safety. Here's how we can prevent sports-related head injuries.