The dangers associated with head injuries are increasingly well-reported in the media. However, increased awareness has led some people to seek out concussion remedies and prevention tools that are not validated. In many cases, products claiming to offer "protection" and "faster recovery" are unproven and offer a false sense of security.

Though parents routinely ask for a 'concussion-proof' helmet, there is no way to prevent a brain injury... short of not participating in the sport.

http://www.chicagotribune.com/health/ct-met-concussion-products-health-20110625,0,761365,full.story