After suffering a concussion in the game against the Bengals, former Browns running back Jamal Lewis probably won't play football again. He's not alone: starting safety Brodney Pool is contemplating early retirement for the same reason. Injuries like these are becoming commonplace in the NFL and college and high school football, and a new report commissioned by the NFL is raising questions about the long term effects "using your head" on the field. Monday morning at 9, join Dan Moulthrop for an examination of concussions on the gridiron.Brad Kimble associate athletic trainer, Baldwin-Wallace College
Halley Moore consultant to helmet manufacturer Team Wendy, LLC
Douglas H. Smith Director of the Center for Brain Injury and Repair, University of Pennsylvania