Concussion

Dale Earnhardt Jr. will miss at least four races after a relatively harmless looking crash.

Dale Jr. says that a story on three former Oakland Raiders players who plan to donate their brains in honor of late teammate Ken Stabler is what prompted him to pledge his own brain to the Concussion Legacy Foundation.

Dale Earnhardt, Jr. is joining the ranks of NFL players and other athletes donating their brains to concussion and CTE research following his death.

Motorsports these days tends to be pretty safe, even if the danger of pushing a car or motorcycle to its absolute limit can never be entirely removed. Compared to the frequent deaths of the '60s and earlier, we live in good times, however, in just the last few years the topic of concussions has become among the hottest conversations in American sports, especially after the National Football League's $765 million settlement with ex-players last year. The next frontier for taking care of former co

After suffering a concussion in the massive end-of-race 25-car pileup at Talladega last weekend, Dale Earnhardt Jr. will miss the next two races, and perhaps the rest of the NASCAR season. That crash marked Earnhardt's second concussion of the season; the first happened a

Toyota's helmet-to-helmet hit – Click above to watch the video after the break