CHICAGO (NewsNation Now) — A father has made it his personal mission to make the game of lacrosse as safe as possible after seeing a difference between girls and boys who play the sport. Rob Stolker created a brand new helmet designed for girls lacrosse and authored a new book, ”It’s a No-Brainer: An Entrepreneur’s Battle to Reduce Concussions in Girls’ Lacrosse.”

He spoke with NewsNation anchor Aaron Nolan about how he is rallying support to protect girls in the game.

Watch the full interview in the video player.