Goodell say's he is concerned about player health, yet retired players have to donate their brains in order to find out if long term affects of concussion are bad. How stupid is the public to let the NFL call the shots on concussion/prevention, of course it's bad for you. The latest research supports a medical procedure used by the N.E. Patriots, it employs a corrective mouth guard the counteracts the boxers "Glass Jaw", you don't have to be a boxer to have TMD. TMD= MTBI, even the slightest events can lead to boxers dementia. The NFL needs to be held accountable for this ommission of crucial consequences, many pro and amateur athletes are benefitting from this orthotic mouth guard today. www.mahercor.com for more stories by ESPN on this problem.