A Minnesota boy is recovering after a bow-and-arrow pierced through his brain in a terrifying accident. Doctors say survival is nothing short of miraculous.

Gabe Brown uses both an eye-controlled computer pad and a simple alphabet board to discuss his recovery from a severe traumatic brain injury.

In sports, beneath the competitive spirit and the cheers of the crowd, there’s an often-invisible risk: traumatic brain injuries, also known as TBI.