"Life is way bigger than football. It doesn't seem like it when you're in it ... You're going to have to choose life over football if you got a concussion, which one?" says retired NFL player Thomas Jones.
Produced by Noel Gunther and Erica Queen, BrainLine.
Thomas Quinn Jones is a former American football running back who played 12 seasons in the National Football League. He is among the top 25 leading rushers in NFL history.