Dale Earnhardt, Jr., drew more attention to the risks of sports-related brain injuries last week by bowing out of two upcoming races. The driver sustained a concussion in a 25-car crash on October 7 and he might be hurting his shot at the Chase for the Spring Cup by skipping the next two races.
This announcement helped refocus concussion concerns away from football to look at other sports as equally dangerous sources of traumatic brain injuries. Given the frequency of high speed crashes, NASCAR is not exactly a surprising brain injury culprit. Another driver, Eric McClure, had to sit out six weeks of racing after suffering his third concussion.
Statistics from other sports might be a bit more surprising: