Stephen Casper joins Derek and Nathan to explore the history of concussion and interrogate the various conflicts of interest and ethical permutations that allow a particular form of health harm that has been largely understood for a century to nevertheless continuously be framed as uncertain.   Check out this New Yorker story drawing on Stephen's research about the history of head injury in sport here. For Stephen and Nathan's letter sent to Illinois here. Also check out what Stephen and Nathan wrote with Jay Smith on college athlete academic freedom here. Finally, read what Stephen and Nathan wrote with Jay Smith on the history of amateurism in college sport here.   Stephen's article on how the sports world learned to ignore head injury here. Stephen's co-authored article on gender, violence, and head injury here. Stephen's article on the vernacular history of head injury here.   The End of Sport Podcast is a proud member of the Harbinger Media Network, your left podcast community. Find us in great company with over 60 other shows at Harbinger Media Network. As always, if you’re enjoying the show, please feel free to subscribe on your favorite podcasting platform and, please, leave us a five-star review as those always help us read a wider audience.