A native Angeleno, Dr. Tracy Zaslow is the director of the sports concussion and sports medicine programs at Children’s Orthopedic Center. She pioneered the field of primary care pediatric sports medicine, becoming one of only two such doctors in the L.A. area when she started her career. She spearheaded an effort to educate parents and young athletes about the signs of concussion, and each year she organizes events on that topic, often including former athletes that she helped guide through...