A CHOP researcher and the NFL studied 5,100 player collisions. Here’s what they found.
For four seasons, 98 NFL players volunteered mouth guard sensors that recorded data about their head movements. Their ...
Survey shows concussion reduction in nine sports
Dr. Karissa L. Niehoff is an executive director of the National Federation of State High School Associations.  Working through its member state associations, the NFHS has been ...