The medical data surrounding the damage done to the human brain as a result of multiple concussions is something that swirls in the sports world almost every day.
Long term effects of concussions also become a real issue due to repeated concussions, and studies have been done in pro football, hockey and other sports that show how devastating they can be.
But what about in MMA?
Well, UFC President Dana White, UFC light heavyweight champion Jon Jones, Tito Ortiz and Frank Mir shared their thoughts on the subject on Thursday.
Check out what they had to say about the concussion discussion in mixed martial arts: