Former Cleveland Browns quarterback Bernie Kosar, left, speaks at a news conference with Dr. Rick Sponaugle, in Middleburg Heights, Ohio Thursday, Jan. 10, 2013. Kosar, who has suffered for years with headaches, insomnia and slurred speech as the result of years of punishing hits in the NFL, has found some relief after undergoing treatment by Sponaugle - something he feels can help hundreds of ex-players dealing with the effects of playing pro ball. (AP Photo/Mark Duncan)

Former Cleveland Browns quarterback Bernie Kosar speaks at a news conference in Middleburg Heights, Ohio Thursday, Jan. 10, 2013. Kosar, who has suffered for years with headaches, insomnia and slurred speech as the result of years of punishing hits in the NFL, has found some relief with a doctor he feels can help hundreds of ex-players dealing with the effects of playing pro ball. (AP Photo/Mark Duncan)

Dr. Rick Sponaugle speaks on the effects of repeated concussions during a news conference with former Cleveland Browns quarterback Bernie Kosar in Middleburg Heights, Ohio Thursday, Jan. 10, 2013. Kosar, who has suffered for years with headaches, insomnia and slurred speech as the result of years of punishing hits in the NFL, has found some relief after undergoing treatment by Sponaugle - something he feels can help hundreds of ex-players dealing with the effects of playing pro ball. (AP Photo/Mark Duncan)

Dr. Rick Sponaugle speaks how concussions affect the brain during a news conference with former Cleveland Browns quarterback Bernie Kosar in Middleburg Heights, Ohio Thursday, Jan. 10, 2013. Kosar, who has suffered for years with headaches, insomnia and slurred speech as the result of years of punishing hits in the NFL, has found some relief after undergoing treatment by Sponaugle - something he feels can help hundreds of ex-players dealing with the effects of playing pro ball. (AP Photo/Mark Duncan)