On this week’s “Phil in the Blanks," renowned neurosurgeon and concussion expert Dr. J. Patrick Johnson talks about how medicine is changing and the markers that can tell whether someone is likely to have Chronic traumatic encephalopathy (CTE) - the brain condition associated with repeated blows to the head.

Plus, Tracie Arlington, founder and lead instructor of Play It Safe Defense: Defense Strategies for Women and Children, talks about safety tips for children. She covers empowering children with knowledge and techniques to combat verbal defense, bullying, sexual assault prevention and more.

“Phil in the Blanks” drops new episodes every Tuesday. Check here to listen and subscribe.