Head injuries
FILE - NASCAR Cup Series driver Kurt Busch tips his cap prior to the NASCAR Cup Series auto race at the New Hampshire Motor Speedway, Sunday, July 17, 2022, in Loudon, N.H. Busch will miss the start of NASCAR’s playoffs with concussion-like symptoms that have sidelined him six weeks, so 23XI Racing on Thursday, Aug. 25, 2022, withdrew the medical waiver that was holding Busch’s spot in the playoffs. (AP Photo/Charles Krupa, File)
Injured Kurt Busch to miss start of NASCAR playoffs

By Jenna Fryer Aug. 25, 2022 10:43 AM EDT

Kurt Busch drives down the front stretch during qualifying for the NASCAR Cup Series auto race at Pocono Raceway, Saturday, July 23, 2022, in Long Pond, Pa. (AP Photo/Matt Slocum)
Busch to miss 4th NASCAR race with concussion-like symptoms

By Jenna Fryer Aug. 10, 2022 05:09 PM EDT

Kurt Busch (45) spins as he takes part in qualifying for the NASCAR Cup Series at Pocono Raceway, Saturday, July 23, 2022 in Long Pond, Pa. (AP Photo/Matt Slocum)
Busch to miss 3rd NASCAR race with concussion-like symptoms

By Jenna Fryer Aug. 03, 2022 04:28 PM EDT

Josef Newgarden waves after winning the IndyCar Series auto race Saturday, July 23, 2022, at Iowa Speedway in Newton, Iowa. (AP Photo/Charlie Neibergall)
Kurt Busch to miss Indy with concussion-like symptoms

By Jenna Fryer Jul. 27, 2022 05:06 PM EDT

FILE - In this Feb. 18, 2001, file photo, Dale Earnhardt waves to fans during race introduction before the start of the Daytona 500 auto race at the Daytona International Speedway in Daytona Beach, Fla. Earnhardt, the greatest stock car star of his era, was killed in a crash on the last turn of the last lap of the race that day as he tried to protect Michael Waltrip's victory (AP Photo/Russell Williams, File)
AP Was There: Earnhardt killed in 2001 Daytona 500 crash

By The Associated Press Feb. 11, 2021 04:31 PM EST

Tony Kanaan (14) drives into Turn 1 followed by Oliver Askew (7) and Charlie Kimball (4) during the IndyCar auto race at World Wide Technology Raceway on Sunday, Aug. 30, 2020, in Madison, Ill. (AP Photo/Jeff Roberson)
IndyCar: Askew sidelined with concussion symptoms, Helio in

By Jenna Fryer Sep. 24, 2020 05:02 PM EDT

Ryan Newman (6) gets turned into the wall by Ryan Blaney (12) as Denny Hamlin (11) misses them along the front stretch to win the NASCAR Daytona 500 auto race at Daytona International Speedway, Monday, Feb. 17, 2020, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)
Newman suffered head injury, no internal injuries in crash

By Jenna Fryer Feb. 23, 2020 01:53 PM EST