Horse Racing Doesn’t Have a Standard Concussion Protocol For Jockeys. Now, California Wants To Create One.

After riding horses for 37 years — much of it as a professional jockey — Frank Alvarado has seen his share of head injuries. “A few times I don’t remember anything,” he said with a heavy Panamanian accent. “The only thing I remember is when I wake up in the hospital and — what am I doing here? And they say, ‘You fell.’”