Brett Favre announced his diagnosis on Tuesday. Here’s what we know about the disease and its relationship to head injuries.

Football legend Brett Favre, 54, announced he has been diagnosed with Parkinson’s disease. A neurologist weighs in on how ...

More than a decade after retiring from football, Brett Favre says he has Parkinson’s disease. Favre told a congressional ...

Gulf Coast Chapter Parkinson’s Foundation Ambassador Nancy Carstens said former NFL quarterback Brett Favre’s diagnosis could be a result of constant collisions during his football career.