Panthers Luke Kuechly retiring after 8 seasons in NFL
Panthers Luke Kuechly trying out collar to reduce concussion risk
Concussion prevention: Sorting through the science to see what's sound
Sports Concussion Tech Will Not Protect Against Brain Damage, Science Says
A once-in-a-generation player': Panthers' LB Luke Kuechly retires after 8 seasons – WSOC TV
Luke Kuechly suffers concussion during Panthers' loss
FDA approves over-the-counter marketing of Q-collar to protect athletes' brains
Meet the Q-Collar: a brain-protective device being worn in the NFL
Panthers' Luke Kuechly progressing with concussion protocol, could practice Wednesday
The story behind the experimental collar worn by Luke Kuechly