A neurologist who treats and studies Parkinson's has a personal connection to the disease: Her father-in-law, who played in the NFL, was later diagnosed with the condition.

Brett Favre's Parkinson's diagnosis emphasizes the need for better concussion prevention measures in football to protect player health and safety.

A CHI Health neurologist who treats and studies Parkinson's has a personal connection to the disease: Her father-in-law, who played in the NFL, was later diagnosed with the condition.

On Tuesday, former Packers football player, Brett Favre announced he suffers from Parkinson’s Disease. Parkinson’s Disease is a brain disorder that impacts movement and speech. It results in uncontrollable movement and tremors.